Diet food

Knyah

Should I do the 30 day water diet prom is coming up in 20 months and I’m not over weight I have 2 back rolls and a stomach that gets big on many days but sometimes will shrink js a little I’m goin on the water fast and I js want advice on things to do while I’m on it ofc I know working out is one but js any health hacks or little things I can eat that won’t effect it