Although the brain is only 2% of the total body weight, it consumes 25% of the body's oxygen. What does this mean?
A. If you feel short of breath, stop thinking.
B. People without brains need 25% less oxygen.
C. Our brains should be bigger.
D. The body considers thinking an important activity.
E. We should spend 75% of our time doing something other than thinking.
F. You shouldn't walk, think, and chew gum at the same time.
G. Keep breathing.
— From the late Peter McWilliams, author of multiple wonderfully wise, wise-ass, and simply helpful self-help books, including ‘Do It.’