The Future for Curious People - Pg 112

   I say, "What if there is this time bomb to love. What if it's like you fall in love with so many people who just aren't right for you, and with each one, your heart toughens up, and you have to find the one who is right for you before your heart is completely calcified in your chest?"
   "Like there's a closing window."
   "Right."
   Adrian shakes his head. "No. It's more like every person you fall in love with is right for you but just not at this moment. Like the now-you would be perfect for the me ten years from now, but because we can't sync it up, we'll never make it. Unless you're willing to wait for me to become that person."
   "But my ten-years-from-now self can never be my now self, so I'd have to completely stop growing--deep down--so that we can sync up."