Oh, that's such an interesting question. For me both are cool, people have different tastes and that's okay. For me personally, casual sex is much better because we already know each other, we know what our needs and likes are.
Casual sex? The sex where you do with your partner or friends? Better, so much better, I mean like, you can know what they want and not, the feeling, My Child. Sex with chemistry is so must better than a stranger one. And yeah, if someone like one night stand and forgot what they've been done, that's okay.
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