Thursday, I'm going in for a double mastetcomy. What can I expect after the surgery?

I know what the surgeon has told me; however, I’m looking (hoping) for personal experience or from those that have cared for someone after the surgery. I guess I’m looking for answers about pain, emotions, and just need to know that the fact that I can’t concentrate on anything – right now, is normal. Any advice, suggestions or information is welcome. Thank you.