LOL. This isn't magic bean surgery. You have to (at least IIIIIII have to) put the work in. LOL. I weigh/measure and track my food every meal. And I log it. It's the only way I know when I go sideways and then I absolutely know what to fix. Instead of rationalizing and bs'ing my way back up the weight loss charts to full blown obesity.
It's as simple and as hard as that. At 6+ years post op, your tum is very mature and I bet able to eat a full plate of food. Which should scare the livin' fu*k out of you. I can eat 1/2 a plate at 10 months and I'm terrified!