I would say it's C. Protein helps with storing fat, helps with digestion (it helps break down certain enzymes) and hair/nail growth
<span>The answer which is true concerning stretching techniques is B. you should always stretch before warming up. Stretching is quite important to do before any form of exercise, even the easiest ones, such as warming up, so as to prevent the possibility of hurting your body in any way. This way, your body will be prepared for what is going to happen to it next during the exercises you do.</span>
This is mostly an opinion based question on your life is it not? easiest way to deal with any of these problems is just force yourself to be happy.