"Should we be making him cum again and again, when he has the big game tomorrow?" "I don't give a fuck about the game. If he does, then HE can keep his cum on a leash. C'mon, boy, we can't MAKE you lose another gigantic load, can we?"
They wanted into the society so badly that they'd do anything. They would only be let in if she could make him cum only with a strap on and until then they both were sex slaves to the group.