That means you are normal. The Surgery is taken care of, they know their business, they do it everyday. You just have to show up. The hospital stay is also handled by pros, follow instructions. Think about after you go home, where will you go for therapy, how will you get home, how will you manage the first few days, you will need help. Work out the details for your recovery; try to get some rest. Remember that we will be here for you. Trust and obey.