Sex is easy enough to understand.  You undress, you touch, you hump, you climax.  However, that's not to say that nothing else can sneak its way in.  Take for instance the people who cry after sex.  Even when they're having a grand ol' time, something happens and they just can't help themselves.  First, the orgasm starts flowing, and then the tears start flowing.  Basically, it's an all around hot mess, but it happens.  So let's find out why. Keep reading to discover the reasons why some people cry right after sex.