Dear LIB readers: I'm losing my man because of my inability to enjoy sex

Biko this is not me o...before some of you start now...lol. This is from a LIB reader. Find below... "I and my man have been dating for some time now. We have great sex but the problem now is that I can't have an orgasm. He is not happy with it and sent me a message saying ''how can I be with a woman I can't satisfy?''. Please what can I do? Even when I try to pretend to cum he notices. I am so weak and worried. And yes I was circumcised. I need advice pleas,e I don't want to lose my man