Tom and Bob are driving home from a party. Tom runs a red, light. Bob says, "Hey! What the hell are you doing! That light was red!", Tom replies, "Don't worry, my brother does it all the time, it's OK.", Then he does it again..
Bob: " Damn it, you done it again!"
Tom: "It's OK, I tell you. My brother does it all the time."
The next light is green. Tom slams on the brakes.,
Bob: "Where did you learn to drive? That was green. You are supposed to go, through."
Tom: "Well I would have, but my brother might be coming through!