FOUR RIDDLES

1. What was the only good thing about the auto upholsterer's accident?
2. Why is a bear more musical than a deer?
3. How did the man propose to his fortune-teller girlfriend?
4. What do you call a doctor who says, "I made a mistake in my diagnosis?"

Answers:

1. He was covered.
2. A bear has an ear. 
3. "Cynthia, will I marry you?" 
4. Admitting physician