We live in a culture that loves a countdown clock. From the time we are small children, life is measured out in neat markers and milestones. Graduate by this age. Build a career by that age. Reach certain financial, creative, or family checkpoints on a linear schedule. And if your life doesn’t fit neatly into the timeline society scripted for you, a quiet, nagging whisper starts to creep in.   It is a heavy, exhausting burden to carry, feeling like you are running a race where the fini...