diff --git a/Common/Defs/ThoughtDefs/Thoughts_Disease.xml b/Common/Defs/ThoughtDefs/Thoughts_Disease.xml
new file mode 100644
index 0000000..d0721ee
--- /dev/null
+++ b/Common/Defs/ThoughtDefs/Thoughts_Disease.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8" ?>
+
+<Defs>
+
+  <ThoughtDef>
+    <defName>rjw_genes_appealing_cock</defName>
+    <thoughtClass>Thought_SituationalSocial</thoughtClass>
+    <workerClass>RJW_Genes.ThoughtWorker_SizeBlinded_Social</workerClass>
+    <validWhileDespawned>true</validWhileDespawned>
+    
+    <stages>
+      <li>
+        <label>small cock</label>
+        <baseOpinionOffset>-10</baseOpinionOffset>
+      </li>
+      <li>
+        <label>big cock</label>
+        <baseOpinionOffset>10</baseOpinionOffset>
+      </li>
+      <li>
+        <label>monster cock</label>
+        <baseOpinionOffset>20</baseOpinionOffset>
+      </li>
+    </stages>
+  </ThoughtDef>
+  
+</Defs>
diff --git a/Source/Genes/Diseases/Thoughts/ThoughtWorker_SizeBlinded_Social.cs b/Source/Genes/Diseases/Thoughts/ThoughtWorker_SizeBlinded_Social.cs
new file mode 100644
index 0000000..4019b0d
--- /dev/null
+++ b/Source/Genes/Diseases/Thoughts/ThoughtWorker_SizeBlinded_Social.cs
@@ -0,0 +1,68 @@
+using RimWorld;
+using rjw;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using UnityEngine;
+using Verse;
+
+namespace RJW_Genes
+{
+    public class ThoughtWorker_SizeBlinded_Social : ThoughtWorker
+    {
+        protected override ThoughtState CurrentSocialStateInternal(Pawn pawn, Pawn other)
+        {
+            // Return for trivial errors
+            if (pawn == null || other == null || pawn == other)
+                return (ThoughtState)false;
+            // Check for position-existance
+            if (pawn.Position == null || other.Position == null || pawn.Map == null || other.Map == null)
+                return (ThoughtState)false;
+            // Do nothing if pawn is carried 
+            if (pawn.CarriedBy != null)
+                return (ThoughtState)false;
+            // Do nothing if Pawn is Baby or Child (#25)
+            if (!pawn.ageTracker.Adult)
+                return (ThoughtState)false;
+            // Only check if they are spawned humans
+            if (!pawn.Spawned || !other.Spawned)
+                return (ThoughtState)false;
+            if (!pawn.RaceProps.Humanlike)
+                return (ThoughtState)false;
+            if (!other.RaceProps.Humanlike)
+                return (ThoughtState)false;
+
+            // Pawns that have not "met" wont give each other Mali
+            // Known-Each-Other is a key-word for Rimworld that shows they have had any interaction and stored each other in relations. 
+            if (!RelationsUtility.PawnsKnowEachOther(pawn, other))
+                return (ThoughtState)false;
+            // If the pawn is not on Map (e.g. caravan), no mali 
+            if (!MapUtility.PawnIsOnHomeMap(pawn))
+                return (ThoughtState)false;
+
+            //ModLog.Debug($"ThoughtWorker Checks Size Blinded {pawn} -> {other}");
+
+            // Do nothing if there is no size-blinded involved 
+            if (!GeneUtility.HasGeneNullCheck(pawn, GeneDefOf.rjw_genes_size_blinded))
+                return (ThoughtState)false;
+            else
+                ModLog.Debug($"{pawn} has the size blinded gene");
+
+            // Iff the pawn has a penis, retrieve it's size. 
+            var penis = GenitaliaUtility.GetBiggestPenis(other);
+            // Do Nothing if the other pawn has no penis 
+            if (penis == null) return (ThoughtState)false;
+            var bodysize = GenitaliaUtility.GetBodySizeOfSexPart(penis);
+
+            if (penis.Severity + (bodysize) - 1.0 > 1.0)
+                return ThoughtState.ActiveAtStage(2);
+            else if (penis.Severity >= 0.8f)
+                return ThoughtState.ActiveAtStage(1);
+            else
+                return ThoughtState.ActiveAtStage(0);
+
+        }
+    }
+}
diff --git a/Source/Rjw-Genes.csproj b/Source/Rjw-Genes.csproj
index e467c9a..51b80a1 100644
--- a/Source/Rjw-Genes.csproj
+++ b/Source/Rjw-Genes.csproj
@@ -79,6 +79,7 @@
     <Compile Include="Genes\Diseases\Genes\Gene_FluctualSexualNeed.cs" />
     <Compile Include="Genes\Diseases\Patches\Patch_AftersexUtility_TransferGeneticDiseases.cs" />
     <Compile Include="Genes\Diseases\Patches\Patch_SecondaryRomanceChanceFactor_Gene_SizeBlinded.cs" />
+    <Compile Include="Genes\Diseases\Thoughts\ThoughtWorker_SizeBlinded_Social.cs" />
     <Compile Include="Genes\Life_Force\Events\SuccubusVisit\IncidentWorker_SuccubusVisit.cs" />
     <Compile Include="Genes\Life_Force\Events\SuccubusVisit\LordJob_SuccubusVisit.cs" />
     <Compile Include="Genes\Life_Force\Interactions\SuccubusTailjob\DomSuccubusTailCustomRequirementHandler.cs" />
diff --git a/Source/ThoughtDefOf.cs b/Source/ThoughtDefOf.cs
index f884d4a..50f2a00 100644
--- a/Source/ThoughtDefOf.cs
+++ b/Source/ThoughtDefOf.cs
@@ -15,6 +15,8 @@ namespace RJW_Genes
 
         public static readonly ThoughtDef rjw_genes_pheromone_carrier_nearby;
 
+        public static readonly ThoughtDef rjw_genes_appealing_cock;
+
         //Others with same names but other defs than in genedefof
         public static readonly InteractionDef rjw_genes_flirt;
     }