Before you admit yourself, pack maybe a weeks worth of clothes (If you stay longer, they should have a washer and dryer) and maybe a notebook, mp3, stress ball or anything else to help you cope. Try to use maybe one bag and leave it near the front door so your family can just grab it and go. Anything that the hospital doesn't want you to have (such as sharp things) they will take out of your bag and give it back when you leave. This is from my expirience. Good luck!