===================================================================
--- original.js
+++ change.js
@@ -14,10 +14,10 @@
 });
 var Fan = Container.expand(function () {
 	var self = Container.call(this);
 	var fanGraphics = self.createAsset('fan', 'Fan Graphics', 0.5, 0.5);
-	self.behavior = new FanBehavior(self);
-	LK.setInterval(self.behavior.cheer.bind(self.behavior), 2000);
+	self.behavior = new FanBehavior();
+	LK.setInterval(self.behavior.cheer.bind(self.behavior, self), 2000);
 });
 var ResourceDisplay = Container.expand(function (resources) {
 	var self = Container.call(this);
 	self.woodDisplay = self.addChild(new WoodDisplay(resources.wood));
@@ -28,13 +28,8 @@
 	self.rockDisplay.x = 300;
 	self.rockDisplay.y = 50;
 	self.foodDisplay.x = 500;
 	self.foodDisplay.y = 50;
-	self.update = function () {
-		self.woodDisplay.updateResourceAmount();
-		self.rockDisplay.updateResourceAmount();
-		self.foodDisplay.updateResourceAmount();
-	};
 });
 var Romance = Container.expand(function () {
 	var self = Container.call(this);
 });
@@ -49,9 +44,9 @@
 	});
 	self.woodText.x = woodGraphics.width / 2;
 	self.woodText.y = woodGraphics.height + 20;
 	self.addChild(self.woodText);
-	WoodDisplay.prototype.updateResourceAmount = function () {
+	WoodDisplay.prototype.update = function () {
 		this.woodText.setText(this.woodResource.amount.toString());
 	};
 });
 var RockDisplay = Container.expand(function (rockResource) {
@@ -65,9 +60,9 @@
 	});
 	self.rockText.x = rockGraphics.width / 2;
 	self.rockText.y = rockGraphics.height + 20;
 	self.addChild(self.rockText);
-	RockDisplay.prototype.updateResourceAmount = function () {
+	RockDisplay.prototype.update = function () {
 		this.rockText.setText(this.rockResource.amount.toString());
 	};
 });
 var FoodDisplay = Container.expand(function (foodResource) {
@@ -81,9 +76,9 @@
 	});
 	self.foodText.x = foodGraphics.width / 2;
 	self.foodText.y = foodGraphics.height + 20;
 	self.addChild(self.foodText);
-	FoodDisplay.prototype.updateResourceAmount = function () {
+	FoodDisplay.prototype.update = function () {
 		this.foodText.setText(this.foodResource.amount.toString());
 	};
 });
 var Well = Container.expand(function () {
@@ -307,8 +302,10 @@
 	var houseGraphics = self.createAsset('house', 'House Graphics', 0.5, 0.5);
 	self.isOccupiable = true;
 	self.occupants = [];
 });
+var FanBehavior = function () {};
+FanBehavior.prototype.cheer = function (fan) {};
 var FanBehavior = function (fan) {
 	this.fan = fan;
 };
 FanBehavior.prototype.cheer = function () {};