Okay..I've asked before. But now SO will be there with my the whole time. Everytime I've gone I've…

Okay..I've asked before. But now SO will be there with my the whole time. Everytime I've gone I've stayed for 3 nights (excessive bleeding, baby circumcision, etc) They told us he can not leave. If he does, he can not come back. So... What should we pack. For him, the baby and myself. I'm going to look on Pinterest too. But i don't want to forget anything. HELP