…I decided to change something. I had been dieting on and off for about 3 years up until that point. I tried pretty much every diet and quit after a few weeks or a month.8 Things I Learned from Losing 47 Pounds9.2K63Serdar TuncaliDr. Derek Austin 🥳Jul 19·1 min readThis is called “obesity rebound" and is why everyone gets fat. It has nothing to do with your exercise routine. When you diet for more than 2 weeks, especially strictly (10 pounds in 4 weeks is extreme), then your metabolism slows down.