Back pain and weight

I've got scoliosis and weight issues. I'm also not alone. if someone has a bad back sometimes it'll be harder to maintain a "normal" weight. i'm also a semi-vegetarian but i love food too much so i still ate huge amounts. one way i am able to lose weight is going to weight watchers. it makes me accountable. i can still eat my flexitarian food i want i just need to account it. luckily i can make vegan and vegetarian food while accounting for it. my mom loves it. another thing i'm doing since its hot i drink at least 1 liter of water. it not only helps me weight it also fills me up. also it is easy to drink since i dance a lot and it'll help it.