Shitty Ask Hilarious Chaos

There is, it's called pregnancy. It's not as fun as the first one (Basically a completely different thing), but really I think they really covered everything they could with sex and it was time to explore other ideas.

The third one fills out the trilogy, it's called kids. Actually better than pregnancy, but it's Rated G and a lot more wholesome, you almost forget about the first of the trilogy.