Guys, please why do y'all do this?

If you meet a really pretty, hot, sweet girl that LOVES you.. she has a nice ass and everything plus she cares about you and she's in love with you, she doesn't fight and she has a great personality WHY WOULD YOU JUST HOOK UP AND LEAVE? I mean at least stay friends, but if sex is good, why hooking up just once and then leave a good girl? I don't get it. I really don't, yet I see it all the time! Some guys be getting fire sex and won't even find it worth to stay just to have casual good sex.. EXPLAIN?

Guys, please why do y'all do this?
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