Hey,I'm 14 also I'm 5'4 tall I used to weight 184 and I made up my own diet that took me from 184 to 175 in 2 months or so.Then in September at the weight of 175 I decided to try Slim Fast all I do is follow the diet plan and do the 30 minute walk.Now I weight 160 lbs.I lose up to 3 pounds a week.~Mel~