The research was going excellently. He was under our control. He accepted passive humiliation and the showed voluntary humiliation when we asked him to stand on a cushion in the middle of the room and masturbate himself whilst we walked around him.
I was wondering what else he'd be willing to do?
I asked him if he wanted to cum in front of us. He said 'yes'.
I asked him what he would do to cum. He said 'anything'.