I dreamed of a rainbow and I became a fairy.

From a psychological point of view, dreaming of flying into immortality is actually depressing in reality, often doing things you don't want to do, or losing some freedom. Buying salt means that you are not satisfied with your present life, which is a subconscious reaction. As the African saying goes, getting what you like is called happiness, and getting the happiness you like. You should learn to decompress yourself.