Why are we obsessed with the things we want and bored when we get them? Why is addiction “perfectly logical” to an addict? Why does love change so quickly from passion to disinterest? Why are some people diehard liberals and others hardcore conservatives? Why are we always hopeful for solutions even in the darkest times—and so good at figuring them out? The answer is found in a single chemical in your brain: dopamine. Dopamine ensured the survival of early man. Thousands of years later, it is th…Show more