 [ Symptoms ] i go through a gal of milk skim free in a little over a week my mom says i drink way too much milk healthy or not [ Disease ] drinking 64 oz of skim milk over a seven day period is really not too much but i do not know if you have a weight issue or not if you are female or if you have any other medical issues basically when you are thirsty drink water but when you want a glass of skim milk just have it