of calories as he or she is burning. their weight does not change in this case.
this is pretty easy stuff here. stay with this discussion. if we bring this into an example, let us say that your diet in one day has 2000 calories in it. to make this all work, in other words to achieve weight loss, burn up more calories with your activities than you have eaten. eat 2000 calories, and burn more than 2000 calories. nothing hard, nothing tough here. just a few numbers. it is pretty easy.
carefully look at the information on the label of the foods that you buy. you do not have to search 