Help sex ASAP

So my BF and I had sex for the first time a while ago and our sex he feels good but I don't really feel anything when he is in me and he has a very good sized dick and is fine and my vj is tight to is should help good but idk I am not feeling anything and I tried doggie, legs on the shoulders in missionary, cowgirl and backwards cowgirl. And a buch of othe positions but non of it is simulating me what do I do how do I fix it I want to feel amazing ? Is it my hips are they not at the correct angel? How do I get my hips at the correct angel? How do I know ?  Help