I am 3 weeks post-op and down 18lbs. I've already plateaued and haven't lost any weight since week 2. I walk at least 40 minutes a day and even kicked it up to a light jog. I'm eating a lot of vegetable pureed soup, homemade, protein, and water but can't seem to lose anymore. I didn't have to lose any weight prior to suregery. Is anyone else going through this?