Never cum: advice pls!!

My boyfriend has never made me cum before, not during sex or anything else. Most of the time it feels really good and enjoyable but I just have never cum.

I sometimes get to this point where i feel like I’ve ‘finished’ and don’t want him to continue but nothing has actually happened. How can he make me moan etc but never cum? Can you orgasm and not cum?

I’ve squirted by myself before but nothing when I’ve been with him. He’s the only person I’ve ever been sexual with too, so I don’t have anything to compare it to. Is it just me or is it him, or neither?? Help!!