On my mother's eating habits

I've always thought my mother has, at the very least, disordered eating habits. Since I was a teenager she's had protein shakes for breakfast and dinner and eats normal sized lunches (think about the size you'd get ordering a meal at a restaurant). She's always been terrified of being overweight again. Its not about eating healthy or a lifestyle change like she tells her workout lesson clients (forgot the right word, too stressed). She doesn't eat healthy at all. Its hypocritical and she can't answer any of the diet suggestion questions her clients ask - or if she does she suggests something she's done like once or for a week and I never have seen her do again. Like snacking on a bowl of fruit. I heard something so I went down to see what she was doing and she was throwing out all the Halloween candy. I commented on it and her reply was that she doesn't want to get fat so she is throwing it out. I felt torn. Still do. The charts online, all of them say my weight is within the healthy range for my height but because of how she always talks I feel like having any bodyweight on you is wrong. Unhealthy. Fat even. So I struggle with it. Mom's eating habits are disordered, borderline anorexia really if it were any worse, and my dad's always been overweight so I have never had good food models in my life. Save the family I used to babysit for for a few years, they ate very healthy so I tried to learn as much from them as I could. But just heating up leftovers from their healthy dinner for their toddler doesn't teach much.