Let’s play a little game of imagination: Imagine blue is, and always has been, your favorite color. Wherever you go, you find comfort in the blue sky, blue birds, and countless other blue things you see. In fact, you love it so much, you paint your home and every single wall inside it varying shades of blue. You’ve planted blue hydrangeas under your living room window and blue delphiniums along your (blue) picket fence. One day, you are outside tending to your garden when a stranger walks by. You wave, and they wave in return. [...]