There are two types of people in this world: those who love massages and those who don't. As a subset of those people, there are two more types: Those who get frisky after a couples massage and those who keep it PG. Bring up the subject with a group of girlfriends over brunch and you'll find out real fast who's on which team. Wonder what really goes on behind closed doors in those couples massage rooms? We asked two spa directors to tell us everything.