Liz, I think you may need to borrow the "Nurse from Hell hat".

And then answer these questions: #1.Is he able to fend for himself for a few days? #2. If you tell him you are going home to visit your family, will he fall apart?. #3.If you go home, will you be in a better frame of mind when you come back? Caring for someone and resenting it is a "no win" situation. You are in a tough spot, but you gotta find a good solution. Amy in the Ozarks.