This is very true, and it is almost like the fight-or-flight response, where your body gets the adrenaline rushing and that is when you hear about people being able to lift cars and jump from 6-story buildings. It is a natural instinct of survival that we all have inside of us. Hope this helps.
A. Distractions, because it is distracting him from running.
There are several factors including but not limited to proper diet including healthy food choices and the right amount of calories to maintain loose or gain weight. eight glasses of water per day. plenty of sleep. exercise three times per week. healthy attitude and emotional stability
Because they have to grow and harvest their own plants...since they where no market to buy their foods
I believe A sounds most true