Hard situation puzzles

A dying man gives another man a gift, and then the dying man dies. Shortly after that the second man dies. How come?

Marmalade helped Bill to skip school with impunity. How did he do it?

Gordon came to see Harry and gave him a few strikes in the stomach. Then, they had a short talk, and he struck a few more times. Harry died a couple of days later. What happened?

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.