I think that you have lost, so it is working. I thought that at about two weeks after surgery, I was hungery and not feeling full. I went today, three weeks post-op and lost 10 pounds and they put 1cc on my 4cc band. I felt fuller after lunch so I hope it works. They told me to go back in a couple of weeks (2) if I dont feel it. Go back again I think you will feel it. Some of us can handle the band with more in it than others.