diff --git a/RJWSexperience/IdeologyAddon/Ideology/IdeoUtility.cs b/RJWSexperience/IdeologyAddon/Ideology/IdeoUtility.cs
index 4901bd1..333ecd1 100644
--- a/RJWSexperience/IdeologyAddon/Ideology/IdeoUtility.cs
+++ b/RJWSexperience/IdeologyAddon/Ideology/IdeoUtility.cs
@@ -61,9 +61,15 @@ namespace RJWSexperience.Ideology
 			float finalMultiplier = 1f;
 			for (int i = 0; i < ideo.PreceptsListForReading.Count; i++)
 			{
-				float? multiplier = ideo.PreceptsListForReading[i].def.GetModExtension<T>()?.multiplier;
-				if (multiplier != null)
-					finalMultiplier *= (float)multiplier;
+				T defExtension = ideo.PreceptsListForReading[i].def.GetModExtension<T>();
+
+				if (defExtension == null)
+					continue;
+
+				if (defExtension.disable)
+					return -1f;
+
+				finalMultiplier *= defExtension.multiplier;
 			}
 			return finalMultiplier;
 		}
diff --git a/RJWSexperience/IdeologyAddon/Ideology/Precepts/DefExtension_ModifyMtb.cs b/RJWSexperience/IdeologyAddon/Ideology/Precepts/DefExtension_ModifyMtb.cs
index e1553f3..fb315b4 100644
--- a/RJWSexperience/IdeologyAddon/Ideology/Precepts/DefExtension_ModifyMtb.cs
+++ b/RJWSexperience/IdeologyAddon/Ideology/Precepts/DefExtension_ModifyMtb.cs
@@ -7,5 +7,7 @@ namespace RJWSexperience.Ideology.Precepts
 	{
 		[SuppressMessage("Minor Code Smell", "S1104:Fields should not have public accessibility", Justification = "Field value loaded from XML")]
 		public float multiplier = 1f;
+		[SuppressMessage("Minor Code Smell", "S1104:Fields should not have public accessibility", Justification = "Field value loaded from XML")]
+		public bool disable = false;
 	}
 }
diff --git a/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Bestiality.xml b/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Bestiality.xml
index 5cda634..792d844 100644
--- a/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Bestiality.xml
+++ b/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Bestiality.xml
@@ -79,7 +79,7 @@
         </rules>
       </li>
       <li Class="RJWSexperience.Ideology.Precepts.DefExtension_ModifyBestialityMtb">
-        <multiplier>5.0</multiplier>
+        <disable>true</disable>
       </li>
     </modExtensions>
   </PreceptDef>
diff --git a/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Necrophilia.xml b/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Necrophilia.xml
index 0c2213a..daadb5f 100644
--- a/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Necrophilia.xml
+++ b/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Necrophilia.xml
@@ -39,7 +39,7 @@
     </comps>
     <modExtensions>
       <li Class="RJWSexperience.Ideology.Precepts.DefExtension_ModifyNecroMtb">
-        <multiplier>8.0</multiplier>
+        <disable>true</disable>
       </li>
     </modExtensions>
   </PreceptDef>
diff --git a/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Rape.xml b/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Rape.xml
index a2f9ba0..0a835b5 100644
--- a/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Rape.xml
+++ b/RJWSexperience_Ideology/Defs/PreceptDefs/Precepts_Rape.xml
@@ -91,7 +91,7 @@
     </comps>
     <modExtensions>
       <li Class="RJWSexperience.Ideology.Precepts.DefExtension_ModifyRapeCPMtb">
-        <multiplier>3.0</multiplier>
+        <disable>true</disable>
       </li>
     </modExtensions>
   </PreceptDef>