Don't buy more weeks, if you have been sticking to plan like they said to and not loosing the recomended 2 pounds a week it is not your fault. I was up with my weeks in mid-feb. but they are letting me float on longer. It is a money back guarantee so I guess it is in their best interest to just let me stay on longer.
Welcome, the girls here are great inspiration
p.s. I do not know about sushi, I have never had it nor do I want to try