he'd say "Really? OK, get an erection. Right now. Come on, get hard!" That would usually shut him up. The point is, only a few people can get themselves aroused on demand.
Also, physical arousal and emotional or mental desire don't necessarily overlap. Just because I walk around semi-aroused a lot of the time doesn't mean that I am eager to have any guy come near me. Sadly, I am actually pretty picky and monogamous. My life would probably be much easier if I were the "playstation" rather than the "peach".
"Tell me, what is it you plan to do with your one wild and precious life?" - Mary Oliver