Let's say there are hypothetical situations:
#1: All you eat for a long time is Whey Protein Shakes. All your meals are whey. You get more than enough Protein in your diet.
#2: You eat only high protein foods like chicken, eggs, Beef, etc. You don't other foods with high carb or fat content, just foods with high protein.
What happens to that person? Would they be able to grow in that scenario?