So excited

wow after  2 insurance denyals and one insurance appeal..... I got approved.... thanks to my doctor and his letter and my personal trainer.... my new surgery date is April 6... i got a call from my doctor yesterday saying that my insurance was covering  band to bypass... so today was my office visit and my preop... it all happened so fast... now im excited and nervous at the same time... anyone have the band and rivised into bypass... how was it? how was the pain afterwards... and how quick can you start going to the gym even just to walk on the treadmill?  i can use some advise from people whom have done this before......SO EXCITED....