Dude,
You need to talk to your family and doctor about how this process works. If you are in fact getting j-pouch surgery (proctoocolectomy), then I recommend reading this web page. It will tell you what to expect.
http://www.debakeydepartmentofsurgery.org/home/content.cfm?proc_name=proctocolectomy+ileoanal+pouch&content_id=274