This is such a sweet idea! And the art!! Love love love ♥️
After the NotPocalypse, Crowley grows birds of paradise. He claims it's because he just digs their resemblance to his current hairstyle, but Aziraphale read in a book once that they symbolise joy, freedom, and liberty. And whenever the angel sees them, he feels flashes of Crowley's love.
liberty (noun):
1. the state of being free within society from oppressive restrictions imposed by authority on one's way of life, behavior, or political views.
2. the power or scope to act as one pleases.