Much more reasonable advice would be along the lines of "If you aren't excited about what you are going to do today for many days in a row, you should change t

Much more reasonable advice would be along the lines of "If you aren't excited about what you are going to do today for many days in a row, you should change things up." Substitute "excited" for any reasonable descriptor. This assumes a certain amount of agency, otherwise it is just depressing that things aren't great and you can't change them.