"Gray, quiet and tired and mean
I'm taken by a nursery rhyme
I want to make a ray of sunshine and never leave home"
When something gets wrong, you can go back home and have a rest. In a room with gray floor, calm yourself down. It's gray, not black or white. Just be in the middle. Unlike the absoluteness of black or the purity of white, it's the "gray zone" in space and in mind for you to think regardless other elements, including others' view.
"guitar, suitcase, and a warm coatlying in the back of the blue boat
humming a tune... "