This document discusses signs that someone has a crush and warns about having too much of a crush. It explains that a crush is special feelings for another person like a classmate or friend that you really like. Some signs that your crush likes you back are that they are aware of you and know things about you, make regular eye contact, seem nervous, their friends act weird, open their body language towards you, make extra effort to talk to you, hang out with you, and act differently around you than others. The document ends with a warning that too much of a crush can kill you.