It only does when the body runs out of energy
Whole grains, legumes, fruits, vegetables, potatoes
oh hello again, it is mentally impossible (unless you suffer severe brain/head injury) to forget everyone and everything. your brain is constantly taking mental photos of everyone and everything you see, you will always recognize someone you have seen a while ago even if its by the slightest. That probably wasn't my best wording, my brain is fried ☠.
Answer:
he was probably overwhelmed by exercising
Explanation: