Mental physiciality .its like a movie that plays in your head over and over once you see something it tranfers to the brain.
Answer- a smart goal is giving criteria to guide in the setting of objectives
partB- it's important to set these up for seeing how much your consuming
If you starve yourself in a week, like by not eating anything, you will die in 3 days. Your body cannot survive without any food or water in a week! If you are thinking of doing it, don't!! If you want to loose weight try doing a healthy diet and exercise!
I hope this helped :)