Mate sad to burst the bubble. But if you pay, then it’s nothing more than a business transaction. This is sadly from personal experience, so you can count on my advice.
Enjoy the fun but don’t get too attached. Ask her if she would fuck you if you don’t pay. If she say no then you get your answer.
My advice is to go to a brothel and empty your nuts a couple of times in a row. You will think clearer when you’re not horny.