3yrs with my bf and have never finished

okay so. I started dating my boyfriend at 20 (he was 31) and I was a virgin. Like legitimately never even kissed a guy...

We have obviously been having sex for the span of our 3 year relationship, but sex doesn't feel like anything to me. I can feel him going in and out and while I do get caught up in passion, I get no physical satisfaction.

I've never had an orgasm. I personally don't care so much, as I just like sex to connect with him, but I think: Why doesn't he notice that I don't climax? Why doesn't he care? I don't care, but I feel like he should want me to feel good? He finishes every time....? And I don't want to bring it up bc I think its embarrassing (for him) lol.