Are you still having sex?

Earlier on in the pregnancy, I felt more sensitive and the sex was awesome. Now I look and feel like a walrus and it's hard to feel attractive. My husband complains about the major decrease in intimacy but is understanding. I started feeling guilty the other night and instigated it and it was terrible! My stomach is big and made all the positions awkward and uncomfortable. I wanted to cry! Please ladies, someone tell me I'm not the only one struggling with this.