While it's true that physiologically vaginal intercourse on its own isn't always, for the person who has the vagina, something to write home about, there are plenty of ways to actively make the partnered sexual activity, including slowing things way down satisfying for everyone involved. Given their proximity to each other, either or both are possibilities. If that's the case, or even if you do feel like you're familiar, I'd suggest taking some time to get to know them, or know them better. Since you're engaging in partnered sex, it's time for you to start your sexual healthcare anyway. It sounds like you might not be very familiar with your own genitals.
This is about getting to know yourself more, and you're bound to encounter some surprises along the road to doing that.
How do I keep him from going in the wrong hole?
Some are longer and some are shorter. Thanks for the advice. Check in with yourself with a "Am I having fun? You might choose to do this exploration during masturbationor you might choose to just explore without erotic or sexual thoughts. He re-adjusted and it still hurt a little but nothing like before, it was mostly just a lot of pressure. Push your finger in between your inner lips into the vaginal opening.