A guy is in a desert, riding a bicycle. An another guy  is on a camel in that same desert. “Hey, isn’t it way too hot to ride so fast,” he asks. Biker answers:” The wind, that blows in my face cools me down”.Camel-guy thinks a bit, then starts whipping his camel hard. Half an hour later, the camel dies. The guy comes off the camel and says:” Dangit, i think he froze.”

A man is in a house, his wife is at the front door, yelling, and his dog is at the back door barking. Who does he let in?  The dog, because he shuts up, when you let him in.