A man goes to the auto repair shop and asks the mechanic when he is available. The mechanic says he is busy for the next 2 hours. The man thanks him but doesn't return. A few days later, he asks him again, the mechanic says he is busy for the next one hour. Again, the man doesn't return. Next day the man asks him again and the mechanic says "You are lucky, 5 minutes and I'm available" but the man leaves
anyway.
The man did not want his car to be repaired. He was actually having an affair with the mechanic's wife and he wanted to know how much time he could spend with her without risking being caught.