People might dvelop due to friends change their clothes and act more mature
I think C. You can't have just proteins or no fats in your diet. It needs to be balanced with a little of everything.
I think that the answer is D. Dieting because dieting helps your body eat more things that are good for it and, less things that are bad for it. It can make your skin clearer, and help you feel good overall which is a physical health help trait.