I need some too.
I don't know, sometimes meaningless sex is REALLY hot, but I have had much hotter sex with someone I know, not necessarily a mate, but with a FWB's or whatnot. When you know a person you sometimes feel more comfortable and get a lil more freaky, unless of course it's the kind of meaningless sex where you know you're never gonna see the person again (happened like ONCE in my life)
I have one guy that I have been sleeping with off and on for the last 2 yrs. He's just an "aquaintance" and we hardly ever do anything outside of the bedroom (or his studio, he owns a recording/music production studio and we love to get down there, there's even a "song" of all my fun noise making!) Occassionally we go out, but it's only to events we were both going to anyway, and figure why not go together so we can hook up after. Sex with him is SO HOT, but I don't get too attached to him because even though in the future he could make a great SO, right now, he's way to absorbed in his work and I know I can be a needy bitch and it would never work out.