Well as I see for a few compatriots here, that they also experienced sex around the same age I did of about 15. Oh and my dear Quiet, yes bum sex is sex, penetration is penetration. On that note, sex opened my eyes to a deeper feeling of oneness with someone. This may or may not sound like a lot but in 16 years of having sex I have had 9 sexual partners. Two of them I was faithfully married to, for an extended period. Has all of my sexual experience from the time I was four till now 32 years later changed who I am, yes. I have been experimental, I have tried all sorts of things and had lots of fun along the way. There is nothing like being with someone and feeling the closeness and the connection that you feel with them in that moment.
Now I know I just said I had my first sexual experience at four, true, first actual intercourse was at 15. I had experimented with girls and boys till I was nine or so and after I could of course take care of my own needs, I didn't need to experiment.
Okay back to the point here, enjoyment of sex and fulfillment are to different things; enjoyment is just plain jane getting off and fulfillment is when you are intimately connected to a person and you are mutually involved in fulfilling each others every desire.
I prefer to make my partner my sole priority when giving pleasure, then I let myself go. Thanks for the post Sarah, it is an interesting topic. Sex is nothing to be afraid of or ashamed of and it can wait for the right person. Wish I had.