Need more sex!

I moved home from another state where I was finishing grad school a few weeks ago. Since I’ve gotten home, my relationship seems to have taken a hit. We barely have sex. I know that work makes him grumpy because he gets stressed and is tired by the time he gets home but it still makes me feel really unwanted. It almost feels like it was better when it was long distance. I know I just have to talk about it with him but I was just wondering if anyone had any idea of what to say