Squigly Squigly's Brain Teasers

Question:

You leave home and go to your right. You reach a corner and turn left. You reach another corner and turn left again. You reach another corner and turn left again and go home. When you get there, there is a person with a mask there waiting for you. What's happening?

Answer:

You are playing baseball.

Try another Brain Teaser:

A boy was rushed to the hospital emergency room. The ER doctor saw the boy and said, "I cannot operate on this boy. He is my son." But the doctor was not the boy's father. How could that be?