I gained maybe 100lb over a 4 year period while in college. I went from 200lb to 300lb. I drank nothing but water that whole time. After I graduated I cut how

I gained maybe 100lb over a 4 year period while in college. I went from 200lb to 300lb. I drank nothing but water that whole time. After I graduated I cut how much I was eating and stopped snacking between meals. Lost 80lb in 6months... it was crazy and scary.