I am quitting my job.

Last weekend was a party with people from work, so I decided to get laid with a college which will soon be ex college. Now this girl has a bf, and we all share a common office. Then night, when he left, she through herself at me, so we stayed the night in a hotel and got laid (it was not my home town but a neighboring one). Following that ,,event" we did not talk much at work, and she appeared cold and bitchy every time we did.

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Now there is a goodbye party that colleges and I are organizing next weekend and everyone is invited. Meaning her and her bf.

My question is - should I try to fuck her again or not?

My only goal is to have ,,sex on occasion" type of relationship with her but I feel this is not possible?