A henpecked husband...
A henpecked husband was advised by a psychiatrist to assert himself. "You don't have to let your wife bully you," he said. "Go home and show her you're the boss." The husband decided to take the doctor's advice. He wenthome, slammed the door, shook his fist in his wife's face, and growled, "From now on you're taking orders from me. I want my supper right now, and when you get it on the table, go upstairs and lay out my clothes. Tonight I am going out with the boys. You are going to stay at home where you belong. Another thing, you know who is going to tie my bow tie?""I certainly do," said his wife calmly, "the undertaker."

A little change
The patient shook his doctor's hand in gratitude and said:"Since we are the best of friends, I would not want to insult you by offering payment. But I would like for you to know that I had mentioned you in my will.""That is very kind of you," said the doctor emotionally, and then added, "Can I see that prescription I just gave you? I'd like to make a little change..."