Orgasm help

I’ve been sexually active for about 3 years now and have been masturbating for 4 however I have never had an orgasm. I have finally reached a point and am with a person who can make me feel really good through clitoral stimulation however it still doesn’t seem to be enough. Even when masturbating I’ll start to feel really good and build some pressure and get a tingle in my toes and then the feeling just seems to stop … any advice on what to do or try to finally orgasm? I’m starting to get worried I just never will