diff --git a/dialog.js b/dialog.js
index eefc2e2..8edb63f 100644
--- a/dialog.js
+++ b/dialog.js
@@ -20,12 +20,14 @@ function DialogNode() {
 function EatDude() {
   DialogNode.call(this);
 
-  this.text = "You approach the nerd.";
+  let nerd = new Anthro();
+
+  this.text = "You approach the " + nerd.description();
 
   let eatHim = new DialogNode();
 
   eatHim.text = "You eat the nerd. Burp.";
-  eatHim.hooks.push(function() { player.health += 100 } );
+  eatHim.hooks.push(function() { player.stomach.feed(nerd); });
 
   let dontEatHim = new DialogNode();
   dontEatHim.text = "You don't eat the nerd.";
diff --git a/feast.js b/feast.js
index a4763c6..538ff9c 100644
--- a/feast.js
+++ b/feast.js
@@ -108,6 +108,7 @@ function updateDisplay() {
 
 function advanceTime(amount) {
   time = (time + amount) % 86400;
+  update(player.stomach.digest(amount));
 }
 
 function renderTime(time) {
diff --git a/vore.js b/vore.js
index af76a38..ce577c5 100644
--- a/vore.js
+++ b/vore.js
@@ -7,7 +7,7 @@ function Creature(name = "Creature") {
   this.health = 100;
   this.maxHealth = 100;
   this.mass = 80;
-  this.stomach = Stomach();
+  this.stomach = new Stomach();
 }
 
 function Player(name = "Player") {
@@ -18,28 +18,75 @@ function Player(name = "Player") {
 }
 
 function Anthro() {
-  let species = pick(["dog","cat","lizard","deer","wolf","fox"]);
+  this.mass = 80 * (Math.random()/2 - 0.25 + 1);
+  this.build = "ordinary";
+  if (this.mass < 70) {
+    this.build = "skinny";
+  } else if (this.mass > 90) {
+    this.build = "fat";
+  }
+
+  this.species = pick(["dog","cat","lizard","deer","wolf","fox"]);
 
   Creature.call(this, name);
+
+  this.description = function() {
+    return this.build + " " + this.species;
+  };
 }
+
 // vore stuff here
 
 function Container(name = "stomach") {
   this.name = name;
   this.contents = [];
-  this.digest = function() {
+  this.digested = [];
+  this.digest = function(time) {
 
   };
+
+  this.feed = function(prey) {
+    this.contents.push(prey);
+  };
 }
 
 function Stomach() {
   Container.call(this, "stomach");
 
-  this.digest = function() {
+  // health/sec
+  this.damageRate = 15*100/86400;
+
+  // kg/sec
+  this.digestRate = 80/8640;
+
+  this.digest = function(time) {
     let lines = [];
-    this.contents.forEach(function (prey) {
-      lines.push("Something is digesting!");
+    this.contents.forEach(function(prey) {
+      if (prey.health > 0) {
+        let damage = Math.min(prey.health, this.damageRate * time);
+        prey.health -= damage;
+        time -= damage / this.damageRate;
+      }
+
+      if (prey.health <= 0) {
+        let digested = Math.min(prey.mass, this.digestRate * time);
+
+        prey.mass -= digested;
+      }
+
+      if (prey.mass <= 0) {
+        lines.push("Your churning guts have reduced a " + prey.description() + " to meaty chyme.");
+        this.digested.push(prey);
+      }
+
+    }, this);
+
+    this.contents.filter(function(prey) {
+      return prey.mass > 0;
     });
+
     return lines;
-  }
+  };
+
+
 }