"For years, Heather B. Armstrong has alluded to her struggle with depression on her website, dooce. It's scattered throughout her archive, where it weaves its way through posts about pop culture, music, and motherhood. But in 2016, Heather found herself in the depths of a depression she just couldn't shake, an episode darker and longer than anything she had previously experienced. She had never felt so discouraged by the thought of waking up in the...