Though driven and innovative, hypomanics are at much higher risk for depression than the general population, notes Gartner. Failure can spark these depressive episodes, of course, but so can anything that slows a hypomanic’s momentum. “They’re like border collies—they have to run,” says Gartner. “If you keep them inside, they chew up the furniture. They go crazy; they just pace around. That’s what hypomanics do. They need to be busy, active, overworking.”

Finally got around to reading this Inc. article - “The Psychological Price of Entrepreneurship.”

Many passages in the article were familiar, but for better or worse, this particular passage hit close to home.