"I don't know," I said, seizing my chance to frustrate poor Tom more, "I think maybe you should try a vibrator first!"
"No," Tom said quickly, adding that he thought actual sex would be better at this stage.
Then, knowing it would frustrate him even more, I squashed that idea:
"No, I think that would make me too jealous! I think it would be better if she first learned how to use a vibrator. And she can also learn how to tease a guy at the same time!"
I fetched her a vibrator from my drawer. Tom was not happy about this development...