When I was young and dating and would hear the famous phrase 'want to do it?', I learned how to handle this real quick.
Back when I was a young pretty thing dating young men, I'd often hear the famous phrase when our relationship elevated a little. The phrase I'm referring to is 'want to do it?'. I back then quickly learned how to handle this and with no 'hard feelings' afterwards.
I wasn't into 'doing it' with every Tom, Dick and Harry I went out with. I would come back with 'no, but I'll jack you off if you want me to'. At least 95% of the time, this worked. I did get some 'can I see and feel your tits while you do it' and with others it was a 'can I feel your legs while you do it'? I'd go along with this as I knew that if I did they'd cum just that much sooner because of the added stimulation the feel of tits and legs have on boys and men. I also learned to carry plenty of napkins in my purse for the mess this gets. And of course there were those that I would 'do it' with. The special ones that I wanted to with.
I'm now married so these days are over with. But, I still use my expertise giving hand jobs on my husband occasionally and he sure enjoys them. (I'm sure most men do)