I'm so glad you posted this, I'm in the same boat and it stinks! I'm only 2 weeks out, I thought this was the honeymoon phase! I lost 14 my first week, plus my 6lbs pre-op for a total of 20lbs and then I stalled around day 8, then today I gained 2lbs!!!!!!!! I have no idea how, I am following all my Dr's instructions exactly, getting all my Protein, all my water and working out! I don't get it and it's very upsetting!