Ray & Bob are driving home from a party. Ray runs a red light. Bob says, “Hey! That light was red!” Ray replies, “Don’t worry, my brother does it all the time, it’s OK.”

Then he does it again.
BOB: “You’ve done it again!”
RAY: “It’s OK, I tell you. My brother does it all the time.”

The next light was green, Ray slams on the brakes.
BOB: “Where did you learn to drive? That was green, you’re supposed to go through!”
RAY: “Well, I would have, but my brother might be coming through!”;-)