>>10300934It is fair thing to do. She has something you are willing to pay for. Although I should say that I don't think I would ever feel personally comfortable with paying for sex.
A couple of years ago I was saving up to hire a prostitute but after a while of thinking I just could not go through with it. There are too many risks for what it may be worth and I do not I would have felt good about it in the end.
I ended up donating half the money to a local children's food charity. I bought a hard drive and quality groceries with some of the other half and saved the left over.