You learn that deep breathing helps reduce stress, but during a tough test you still panic. Later, you know sugar isn’t good for your health, yet you reach for a candy bar when you feel down. In both cases, knowing what to do isn’t enough to make it happen. That’s the G.I. Joe Fallacy—thinking that awareness alone wins the battle. Take the quiz to find out why knowledge sometimes isn’t enough and what you can do to really change!