Unsure what to do anymore

I've been in a relationship for a year and a half. We always have sex, but he never bothers to make me orgasm. If he goes down on me, it's always only for less than a mintue. Never enough time to make me orgasm. I have communicated with him on this many times. About me teaching him how he could make me orgasm. Or what we can do. And then when we have sex, he always acts like the conversation never happened. I don't expect to orgasm every time, because i usually only can with clit stimulation. (Yes I've tried clit stimulating myself during sex i just don't feel like doing it every time) I always feel used and hurt a little because he just makes no effort. It's feels like it's all about him and him getting off only all the time. I don't know what to do anymore. I love sex and i love giving it up to him. So it's hard for me to refrain even if I'm not getting what he's getting. And yes he always cums every time.