Thank u for the tips! This isn't the first time we've suspected hypoglycemia, but I've never heard of REACTIVE hypoglycemia. I had a roommate in college who was hypoglycemic and turned into the devil when she didn't eat or if she ate ANY sugar. I see it with ds if he doesn't eat, but not so much with sugar consumption. We r pretty good about limiting sugar, though. Thanks again! We'll definitely be investigating further.