Quiz: What goes on in your brain when you're attracted to someone?
You can't eat. You can't sleep. You can barely make it through work or school. Let's face it -- you have a crush. The beginning stage of romance, when you're attracted to someone and can't get thoughts of him or her out of your head, is a roller coaster of emotion. But how much do you really know about the science of attraction and new love? We'll find out in this quiz.