It's no secret that men and women find it challenging to navigate their relationships and understand what the other expects of them. What is the Bro Code, anyway? All guys are very careful not to let the Bro Code fall into female hands, but here is a sneak peak at 21 of the more mysterious rules that govern the intricate relationships between most guys and the confused women who accompany them. Shhh, don't tell anyone you've seen this. Sorry, ladies.