I don't want a string of meaningless one-night stands but people make me feel like I should settle for less?

I don't want to have with random guys, but sometimes it seems like everyone (gay or straight) is getting it on with someone. Its not what I want AT ALL but somehow i feel bad about my life morals when I see the way others live their lives if that makes sense. Should I feel that at 20, that I am essentially a virgin, never been in a relationship etc? People (like my mum) tell me "men aren't biologically programmed for relationships, so two could never mantain one, hence why they are so promiscous." But I honestly believe I have that capacity, but if a guy like me doesn't exist or too rare to hope of finding one, I am destined to live life alone. I have thought that maybe there is a plus side to this, that when i have children (from a surrogate) I'd be a single father, and in society that is acceptable, whereas two dads is not. At least I would live a life that was pure and not compromise the morals I hold so dear. Tell me your thoughts?