I can relate. For me, envy is a big part of it. I hear people talk about their "first time" having sex being this wonderful, magical, thing and it's as though it's just a given that it's like that for everyone and that no one's "first time" is something forced on them.
I think sex would be a lot more fun for everyone
if people didn't think of climaxing as being the sine qua non of sex. Nothing in life is more problematic than expectations.
I'm still looking for that happy medium between looking at sex as base and vulgar at one extreme and seeing it as a holy grail at the other.