Horrible sex life

Before I got pregnant, my fiancé and I didn't have the best sex life. But we made it work.

Now that I'm pregnant (28 weeks) we've only had sex three times.

I feel very unattractive, big, uncomfortable and I feel like my vagina looks old and just gross.

Tonight I attempted to give him sex and he totally turned against me because I wouldn't let him go down on me.

It's like really??! I'm trying here...

I was mad he just couldn't have sex with me and made it a big deal to go down on me.

Now we're in a big fight and he's telling me this is why we have so many problems because he never gets what he wants. And he's sexually starved.

I GET IT!! But I also don't want to make myself feel uncomfortable.

I'm just scared he's going to go get it somewhere else. We barley kiss anymore.