Your take on the Emperor is solid, using sex as a manipulation tactic is as old as any of the races I am sure. The waiting for development for sex is two fold. These are companions you have to trust with your life. Has every sexual encounter you ever experienced ended well? Would you risk with no real relationship putting your life or the life of the party in jeopardy because a lover that feel betrayed?
Perhaps they should add that to the game, a chance to piss off a lover and have them half way through a fight turn on you and go psycho
