Useful Inanimate: Finally at home

The next thing Jon knew, Rachel had set him down on his bedroom floor and left. He slowly changed back into a human. He couldn't believe it. Hardly a week had gone by and he had been used twice. He still smelled like Rachel's sweaty foot. He could even taste it. He quickly took a shower. As he dried off, he wondered (and dreaded) what he would be used as next. What would it be?