What is the most important question we can ask when feeling down?

Did you know guilt and worry light up our brain's reward centers? Does that mean it is a good thing to feel guilt and worry? Maybe, for a moment. But we all know that is not a long-term solution. So, what is the one thing we can count on to strengthen our emotional intelligence and stimulate our most powerful, long-lasting reward centers? Imagine leading a life where your quest leads you to feel more happiness and, shall we say, control.