Then Carli stopped me and said:
"Look, I don't know about these other girls, but I need to be able to reward him when he obeys me! Of course, I need to be able to punish him sometimes too, but sometimes the punishment will be that I deny him an orgasm... If I can't give him an orgasm, then I can't threaten to deny him orgasms either, and so my experiments will be ruined!"