I have a cheat-sheet for each one of my characters about their personality, the way they look, etc. So there is no possible way that I could have writer's block.
Making my class laugh and getting in trouble. I was the class clown.
Read. Read. Read. Just don't read one type of book. Read different books by various authors so that you develop different styles.
I used to get a haircut every Saturday so I would never miss any of the comic books. I had practically no hair when I was a kid!