Lady Lifting - When you give a woman cash and then you expect her to be you

When you give a woman cash and then you expect her to be your girlfriend for free.

I gave her $20. She said 'we're dating now.' I said 'no we're not.'

He paid her $10 and then asked her to be his girlfriend for the rest of the week.

I gave her $5. She said 'that's a down payment on a relationship.' I said 'I didn't sign anything.'