I suspect we all have two phases in our sexual lives.

The first is raw and to-the-point. We fuck, and we do it because we're driven to. We might develop technique at this point but mostly it's about satiating desire. This is sex while we're young.

The second phase is later in our lives when we have sexual confidence and knowledge. We get better at sex, even if we're not as physically able as we used to be. We explore more. We revel in the dirtiness of sex. We experiment with things like B, D, S or M and sometimes settle upon one or two of these. Couples come to enjoy anal. Oral becomes explosively enjoyable as you realise it's not just about a quick thrill for your partner but a loving, intense act.

So, don't think that sex is all about the here and now. You've got your whole life to enjoy sex and you'll explore a lot of it later. I'd even argue it's only possible to explore some of it later in your life, because young people just don't really get it.

In other words... Don't worry.