You had to have used willpower to have a diet like yours. You have to have willpower and a desire to exercise as much as you do. Medication isn't helping you with your desire to get on a bike and ride it as opposed to take public transit. I think with age you are experiencing a slower metabolism. I think if I ate like you, even without the regulatory part, I would lose weight. Everyone knows that weight gain on medication is very hard to lose. At least calorie count when youre put on topomax to make sure your not starving yourself.