My Study Habits Lie

I told my roommate I was studying all night for that big exam tomorrow. Truth is, I stayed up watching old reruns of Friends until 3 AM and now have no clue what the test covers. Maybe the answers will magically appear in my head? Yeah right. Now I'm trying to figure out how to avoid everyone so they don't find out. But honestly, who hasn't pulled an all-nighter for a show instead of studying once or twice?