What if you just got cheated on by 5 relationships in a row, and you feel you are not ready for a relationship yet and want to play the field and remain single and explore different women?

I wouldn't keep fucking a boring girl, I'd move on to someone more tasty..

What if you have a career that does not really enable a full time relationship? Where you work away 6 months at a time, then you just want to play the field a bit, and still enjoy passionate sex but without getting married?

Your mindset is flawed mate