The Cure for Toxic Positivity hen my dad was diagnosed with colon cancer at age 52, I was flooded with emails, calls, and in-person pep talks from friends and acquaintances. Anyone who’d ever met me, it seemed, was eager to offer up a platitude. “Think positive,” they told me. “It will be okay. He’ll get through this.” But his cancer didn’t go away, and neither did the deluge of optimism that flowed over both of us — my dad, the patient, and me, his sole caregiver. It was wearing him down, and me along with him. During one visit, family...