Bad Jokes, installment 1

I'm determined to have a steady output of humor every week, if only to (dis)satisfy the world. Why not start on a friday?

Why do zombies love your lectures?

They wanted a piece of your mind anyway. :P

What makes chess players so obsessed with their games?

Chesstosterone

By the way, all of these jokes will be mine; i'll mark it if it's not. Goodnight, i hope you liked the jokes. I'm starting light today, but don't worry: there'll be plenty more to come.