I'm not banded yet, but if you consistently want to splurge at 3 it is probably due to a blood sugar drop. What works for me, and I must admit that I am non-consistent is I have something at 2-2:30 depending on what time I eat lunch. A yogurt, a smoothie, 3 of a six pack of Peanut Butter crackers, things like that before I have a chance to get hungry. I drive all day, so if I don't plan ahead there is always a convenience store or a drive through. If I don't, I find myself eating 1 or 2 candy bars, having too big a supper (whopper w/cheese, fries, king sized) and then wanting a snack before bed! Then being so full you can't sleep. Please just trust me on this one and find something satisfying that you like that you can eat before you get hungry. I have to admit it is hard to eat even a small amount when you don't want anything. But I am learning. Hope this helps.
Susan