The other blog I've been following that brings me out of those spirals is The Happiness Project, now also on Slate. As Gretchen says in her first post for Slate,
I realized with a jolt that I never thought about happiness, or whether I was happy, or what I could do to be happier. . . . Some people think that wanting to be happier is a selfish, self-absorbed goal—but I disagree. Robert Louis Stevenson got it right: "There is no duty we so much underrate as the duty of being happy,” he wrote. Research shows that happy people are more altruistic, more productive, more helpful, more likeable, more creative, more resilient, more interested in the problems of others, friendlier, and healthier. Happy people make better friends, colleagues, and citizens.Like the "Do More with Less" mantra, society tends to value people who are "productive" or at least look that way. Those focusing on their own personal happiness are viewed as suspect. But I'm with Gretchen, being happy is a good thing for everyone, not just the person who is striving for it.