In this situation, I would just set up a later assignation where we boinked our brains out, if I was 47 years younger. From here, age 65, I'd thank the gal for her interest, and rat her out to her boyfriend. I was a dog, in those days, and have been known to boink on the first date.
If you get to thinking you’re a person of some influence, try ordering somebody else’s dog around.