Sometimes the pressure to be positive can get really annoying. The slogans, jeez, the slogans. “Be the change you want to see in the world.” That’s all very noble, but I can barely be the change I want to see in my living room. The propaganda of positivity forever bleating its mantra of happiness until you wish you could cram it into a cannon and fire it into the sun.

But you know what? It works. Just ask yourself, “What’s going well right now?” and I bet you feel a little better. And, no, thi...