Feeling defeated

I just want sex with my husband to feel good again. I literally just ugly cried half way through sex because I feel like I’m running our sexlife because I can’t get it to feel good for me and I feel like I’m letting him down. He can definitely tell that I’m not enjoying it and insists we stop because he doesn’t want me to be uncomfortable. I tell him it’s not that I don’t want to do it, it just doesn’t feel like it used to. Holy pregnancy emotions. Im so grateful for the pregnancy, don’t get me wrong but, I’m 28 weeks tomorrow, and and just want to feel normal again.