A. Accomplishing daily tasks. All of the other are negative effects
Skip meals and avoid all carbohydrates, that can do some damage to your body.
It will help you build muscle for sure but you will need to increase the reps if you want to improve further, it helps to build your biceps, pectoralis, and your deltoids
If you want more of something, you have to incentivize it.
True I think lol I'm not sure