To understand why procrastinators procrastinate so much, let’s start by understanding a non-procrastinator’s brain:Pretty normal, right? It seems the Rational Decision-Maker in the procrastinator’s brain is coexisting with a pet—the Instant Gratification Monkey. He doesn’t understand the Rational Decision-Maker any better than the Rational Decision-Maker understands him—why would we continue doing this jog, he thinks, when we could stop, which would feel better. The Instant Gratification Monkey, normally unshakable, is terrified of the Panic Monster. Why else would an extraordinarily lazy person begin a rigorous workout routine other than a Panic Monster freakout about becoming less attractive?