Sex/need advice

Why is it every time I have sex with my current partner he can’t make me cum? I’m always laying there afterwards like “is that it? Oh, okay then” he finishes every time. What do I do? 😂

He’s tired afterwards and I’m thinking like

I did all the work AND YOUR TIRED anywayyy We took each other’s virginity but it’s not the 1st time we’ve have sex together. I need advice. I’m embarrassed enough. I faked an orgasim twice just so he could finish. What does this mean?!