Help! 😭 I can’t orgasm

So I have been dating my boyfriend for a year now and we’re sexually active but i can’t orgasm. I can be really turned on, horny, and he’ll try real hard to please me before himself, we try new positions, we’re really straight forward on what we think we need to improve on, watched porn together but I simply cant. I’m not sure if it’s just him because I can please myself but I’ve never experienced and orgasm during sexual intercourse. Is there any tips or advice you guys could give me because I’m starting to get frustrated with myself.