By: Addison Wylie Heartbeat is a nice party guest that’s too shy to say anything.  After a while, you’re a little annoyed that they haven’t involved themselves more.  And when they finally speak up, they fish for compliments in a coy manner but also try and convince you that they have low self esteem.  By the end of the night, cleaning up crushed red cups and mopping up spilled brew is more fun than trying…