diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f581d2..559d8f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 - New Gene that grows Penisses on Oral sex. Configurable in XML. 
 - New Gene Lifeforce Empath: Gain Lifeforce for sexually satisfied pawns, loose for frustrated pawns.
 - More genes are configurable with XML, e.g. tick speed, distances or multipliers. I am getting the hang of it. 
+- Halfed Succubus Fertilin-Need, increased cost of abilities.
 
 **Fixes:**
 
diff --git a/Common/Defs/AbilityDefs/Ability_NakedProwess.xml b/Common/Defs/AbilityDefs/Ability_NakedProwess.xml
index 778f4d9..292af25 100644
--- a/Common/Defs/AbilityDefs/Ability_NakedProwess.xml
+++ b/Common/Defs/AbilityDefs/Ability_NakedProwess.xml
@@ -38,7 +38,7 @@
       </li>
 	  <li Class="RJW_Genes.CompProperties_CasterIsNaked"/>
 	  <li Class="RJW_Genes.CompProperties_AbilityLifeForceCost">
-        <fertilinCost>0.1</fertilinCost>
+        <fertilinCost>0.15</fertilinCost>
       </li>
     </comps>
 	
diff --git a/Common/Defs/AbilityDefs/Ability_ParalysingKiss.xml b/Common/Defs/AbilityDefs/Ability_ParalysingKiss.xml
index 0d8959d..29e1588 100644
--- a/Common/Defs/AbilityDefs/Ability_ParalysingKiss.xml
+++ b/Common/Defs/AbilityDefs/Ability_ParalysingKiss.xml
@@ -37,7 +37,7 @@
         <fleckDef>rjw_genes_lips</fleckDef> <!--Will change to kiss when I have a good icon/fleck for it-->
       </li>
 	  <li Class="RJW_Genes.CompProperties_AbilityLifeForceCost">
-        <fertilinCost>0.05</fertilinCost>
+        <fertilinCost>0.1</fertilinCost>
       </li>
     </comps> 
   </AbilityDef>
diff --git a/Common/Defs/AbilityDefs/Ability_PussyHeal.xml b/Common/Defs/AbilityDefs/Ability_PussyHeal.xml
index 4445bf2..c31cb75 100644
--- a/Common/Defs/AbilityDefs/Ability_PussyHeal.xml
+++ b/Common/Defs/AbilityDefs/Ability_PussyHeal.xml
@@ -28,7 +28,7 @@
     </verbProperties>
     <comps>
 	  <li Class="RJW_Genes.CompProperties_AbilityLifeForceCost">
-        <fertilinCost>0.2</fertilinCost>
+        <fertilinCost>0.3</fertilinCost>
       </li>
       <li Class="RJW_Genes.CompProperties_AbilityPussyHeal"> 
         <tendQualityRange>0.4~0.8</tendQualityRange> 
diff --git a/Common/Defs/AbilityDefs/Ability_Seduce.xml b/Common/Defs/AbilityDefs/Ability_Seduce.xml
index 595c348..d4467e6 100644
--- a/Common/Defs/AbilityDefs/Ability_Seduce.xml
+++ b/Common/Defs/AbilityDefs/Ability_Seduce.xml
@@ -36,7 +36,7 @@
         <fleckDef>Heart</fleckDef>
       </li>
 	  <li Class="RJW_Genes.CompProperties_AbilityLifeForceCost">
-        <fertilinCost>0.1</fertilinCost>
+        <fertilinCost>0.20</fertilinCost>
       </li>
     </comps>
   </AbilityDef>
diff --git a/Common/Defs/GeneDefs/GeneDefs_LifeForce.xml b/Common/Defs/GeneDefs/GeneDefs_LifeForce.xml
index 0be1356..8c793e2 100644
--- a/Common/Defs/GeneDefs/GeneDefs_LifeForce.xml
+++ b/Common/Defs/GeneDefs/GeneDefs_LifeForce.xml
@@ -1,6 +1,18 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <Defs>
-	<GeneDef>
+	
+	<GeneDef Name="LifeForceBase" Abstract="True">
+		<displayCategory>rjw_genes_fertilin</displayCategory>
+		
+		<modExtensions>
+			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
+				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
+				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
+			</li>
+		</modExtensions>
+	</GeneDef>
+
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_lifeforce</defName>
 		<label>fertilin</label>
 		<description>Carriers of this gene have a reserve of biological strength powered by a resource called fertilin. The resource can be gained and spent in various ways, some of which are unlocked by other genes.\n\nCarriers lose 5 fertilin per day from biological entropy. \n\nGene is inactive until carrier is able to have sex.</description>
@@ -17,7 +29,6 @@
 		<resourceDescription>A reserve of biological strength which can be gained and spent in a variety of ways. \n\nFertilin can be increased by absorbing cum, typically through oral sex or stored cum. \n\nIf fertilin reaches zero, {PAWN_nameDef} will become very unhappy and may try to obtain some forcefully.</resourceDescription>
 		<iconPath>Genes/Icons/FertilinAlt</iconPath>
 		<selectionWeight>0</selectionWeight>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
 		<displayOrderInCategory>-2</displayOrderInCategory>
     	<minAgeActive>18</minAgeActive>
 		<customEffectDescriptions>
@@ -28,43 +39,28 @@
 			<li><symbol>fert</symbol></li>
 		  </prefixSymbols>
 		</symbolPack>
-		<resourceLossPerDay>0.05</resourceLossPerDay>
+		<resourceLossPerDay>0.025</resourceLossPerDay>
 		<biostatCpx>1</biostatCpx>
 		<biostatMet>1</biostatMet>
-
-		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
-		</modExtensions>
 	</GeneDef>
 	
-	<GeneDef>
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_lifeforce_drain</defName>
 		<label>fertilin drain</label>
 		<labelShortAdj>draining</labelShortAdj>
-		<description>Carriers lose an additional 15 fertilin per day from biological entropy.</description>
+		<description>Carriers lose an additional 7.5 fertilin per day from biological entropy.</description>
 		<resourceLabel>fertilin</resourceLabel>
 		<geneClass>RJW_Genes.Gene_LifeForceDrain</geneClass>
 		<iconPath>Genes/Icons/FertilinDrainAlt</iconPath>
 		<prerequisite>rjw_genes_lifeforce</prerequisite>
-		<resourceLossPerDay>0.15</resourceLossPerDay>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
+		<resourceLossPerDay>0.075</resourceLossPerDay>
     	<minAgeActive>18</minAgeActive>
 		<displayOrderInCategory>-1</displayOrderInCategory>
 		<biostatCpx>1</biostatCpx>
 		<biostatMet>6</biostatMet>
-
-		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
-		</modExtensions>
 	</GeneDef>
 	
-	<GeneDef>
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_pussyhealing</defName>
 		<label>Pussy Healer</label>
 		<labelShortAdj>pussyhealer</labelShortAdj>
@@ -72,7 +68,6 @@
 		<iconPath>Genes/Icons/Healpussy</iconPath>
 		<prerequisite>rjw_genes_lifeforce</prerequisite>
 		<displayOrderInCategory>9</displayOrderInCategory>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
 		<abilities>
 			<li>rjw_genes_ability_pussyheal</li>
 		</abilities>
@@ -88,16 +83,9 @@
 				<li><symbol>heal</symbol></li>
 			</suffixSymbols>
 		</symbolPack>
-
-		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
-		</modExtensions>
 	</GeneDef>
 	
-	<GeneDef>
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_cockeater</defName>
 		<label>Cockeater</label>
 		<labelShortAdj>cockeater</labelShortAdj>
@@ -105,7 +93,6 @@
 		<iconPath>Genes/Icons/cockeater</iconPath>
 		<prerequisite>rjw_genes_lifeforce</prerequisite>
 		<displayOrderInCategory>11</displayOrderInCategory>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
 		<abilities>
 			<li>rjw_genes_ability_cockeater</li>
 		</abilities>
@@ -121,16 +108,9 @@
 				<li><symbol>eat</symbol></li>
 			</suffixSymbols>
 		</symbolPack>
-
-		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
-		</modExtensions>
 	</GeneDef>
 	
-	<GeneDef>
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_paralysingkiss</defName>
 		<label>paralysing kiss</label>
 		<labelShortAdj>paralysing kiss</labelShortAdj>
@@ -138,7 +118,6 @@
 		<iconPath>Genes/Icons/Paralysing_Kiss</iconPath>
 		<prerequisite>rjw_genes_lifeforce</prerequisite>
 		<displayOrderInCategory>12</displayOrderInCategory>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
 		<abilities>
 			<li>rjw_genes_ability_paralysingkiss</li>
 		</abilities>
@@ -153,16 +132,9 @@
 				<li><symbol>kiss</symbol></li>
 			</suffixSymbols>
 		</symbolPack>
-
-		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
-		</modExtensions>
 	</GeneDef>
 	
-	<GeneDef>
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_seduce</defName>
 		<label>seduction</label>
 		<labelShortAdj>seduction</labelShortAdj>
@@ -170,7 +142,6 @@
 		<iconPath>Genes/Icons/seduce</iconPath>
 		<prerequisite>rjw_genes_lifeforce</prerequisite>
 		<displayOrderInCategory>13</displayOrderInCategory>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
 		<abilities>
 			<li>rjw_genes_ability_seduce</li>
 		</abilities>
@@ -186,23 +157,15 @@
 				<li><symbol>kiss</symbol></li>
 			</suffixSymbols>
 		</symbolPack>
-
-		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
-		</modExtensions>
 	</GeneDef>
 	
-	<GeneDef>
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_naked_prowess</defName>
 		<label>naked prowess</label>
 		<description>Carriers of this gene are able to temporarily increase their strength and resilience, while they are naked.</description>
 		<iconPath>Genes/Icons/rjw_naked_prowess</iconPath>
 		<prerequisite>rjw_genes_lifeforce</prerequisite>
 		<displayOrderInCategory>14</displayOrderInCategory>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
 		<abilities>
 			<li>rjw_genes_ability_naked_prowess</li>
 		</abilities>
@@ -211,52 +174,29 @@
 		</descriptionHyperlinks>
 		<biostatCpx>1</biostatCpx>
 		<biostatMet>-1</biostatMet>
-
-		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
-		</modExtensions>
 	</GeneDef>
 	
-	<GeneDef>
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_cum_eater</defName>
 		<label>Cum eater</label>
 		<description>Carriers of this gene are able to absorb fertilin through eating cum. This includes oral sex, eating cum for food or sucking out cumflated pawns. </description>
 		<iconPath>Genes/Icons/cumeater</iconPath>
 		<prerequisite>rjw_genes_lifeforce</prerequisite>
 		<displayOrderInCategory>1</displayOrderInCategory>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
 		<biostatCpx>1</biostatCpx>
-
-		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
-		</modExtensions>
 	</GeneDef>
 	
-	<GeneDef>
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_fertilin_absorber</defName>
 		<label>Fertilin Absorber</label>
 		<description>Carriers of this gene are able to absorb the fertilin inside sperm through their vagina and anus.</description>
 		<iconPath>Genes/Icons/Vaginal_cum_absorption</iconPath>
 		<prerequisite>rjw_genes_lifeforce</prerequisite>
 		<displayOrderInCategory>2</displayOrderInCategory>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
 		<biostatCpx>1</biostatCpx>
-
-		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
-		</modExtensions>
 	</GeneDef>
 	
-	<GeneDef>
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_lifeforce_empath</defName>
 		<label>empathic lifeforce</label>
 		<geneClass>RJW_Genes.Gene_LifeForce_Empath</geneClass>
@@ -264,15 +204,10 @@
 		<iconPath>Genes/Icons/Hypersexual</iconPath>
 		<prerequisite>rjw_genes_lifeforce</prerequisite>
 		<displayOrderInCategory>3</displayOrderInCategory>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
 		<biostatCpx>3</biostatCpx>
 		<biostatMet>-2</biostatMet>
 
 		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
 			<li Class="RJW_Genes.LifeForceEmpathExtension">
 				<aheagoIncrement>0.02</aheagoIncrement>
 				<satisfactionIncrement>0.01</satisfactionIncrement>
@@ -289,22 +224,14 @@
 		</modExtensions>
 	</GeneDef>
 
-	<GeneDef>
+	<GeneDef ParentName="LifeForceBase">
 		<defName>rjw_genes_drainer</defName>
 		<label>vitality drainer</label>
 		<description>Carriers of this gene are able to absorb a great amount of fertilin by draining the vitality of the partner. This is done passively through having sex with a non-drained pawn that does not have this gene.</description>
 		<iconPath>Genes/Icons/Vitality_Drainer</iconPath>
 		<prerequisite>rjw_genes_lifeforce</prerequisite>
 		<displayOrderInCategory>4</displayOrderInCategory>
-		<displayCategory>rjw_genes_fertilin</displayCategory>
 		<biostatCpx>1</biostatCpx>
 		<biostatMet>-1</biostatMet>
-
-		<modExtensions>
-			<li MayRequire="OskarPotocki.VanillaFactionsExpanded.Core" Class="VanillaGenesExpanded.GeneExtension">
-				<backgroundPathEndogenes>Genes/Icons/RJW_Genes_Endogene_Background</backgroundPathEndogenes>
-				<backgroundPathXenogenes>Genes/Icons/RJW_Genes_Xenogene_Background</backgroundPathXenogenes>
-			</li>
-		</modExtensions>
 	</GeneDef>
 </Defs>
\ No newline at end of file