It’s 9:27 PM. The day is done. You sink into the couch, seeking a moment of peace, and you pick up your phone. The screen glows to life. You see a former colleague on a beach in Santorini. You see a friend’s newborn baby. You see a founder you follow popping champagne to celebrate a new round of funding. You tap the heart on each, and with every tap, you feel a quiet, corrosive whisper: “You are behind. You are not enough.” We’ve been taught to see this feeling—envy—as a personal failing, a d...