mich can I lose in 4 weeks? Hi! I am burning 1000-1200 calories a day and I eat 1000 calories a day. I also fast twice a week. How much weight will I lose in 4 weeks? I weight 128 and am 5'3". I eat tons of everything including fruits, veggies, whole wheat bread, lean meat, low fat yogurt and NO junk food/sugar.. and I also drink more than 8 cups of water. How many pounds can I lose in 4 weeks like this?