Can only orgasm once

Is it normal to only be able to orgasm once per (for lack of a better word) “session”? Is there any tricks to help with get more? I’ve been having sex for about two years now and I always orgasming bc my man is very attentive but i can never seem to get more then one like everyone else i know, so just looking for some tips or anything that could help.

I’m 21 btw so anythingggg is on the table lol