What makes more sense?

Being single and having sex and fun with physically attractive females but the kind I'd never date or keep as an LTR or

Having a slightly lower on the scale in terms of look female(like a 6-7/10) but that I feel is great for LTR? Her looks are passable but her character is what really makes her LTR.

I'm looking for reasonable advice although I will also accept if I get roasted as well