Clinically speaking, depression is a pessimistic sense of your own capabilities, and despondent lack of energy.

Games that make you feel good about yourself are good games to be playing.

If you can manage to experience three positive emotions for every one negative emotion … you dramatically improve your health and your ability to successfully tackle any problem you're facing.

Urgent optimism is the desire to act immediately to tackle an obstacle, combined with the belief that we have a reasonable hope of success.

I've been running since high school. My boyfriend was on the track team, and I'd run with him.

It seems like what happens when we play games is that we go into a psychological state called eustress, or positive stress. It's basically the same as negative stress in the sense that we get our adrenaline up, you know, our breathing rate quickens, our pulse quickens.

Growing up, I was prone to anxiety.