Egonomics
Egonomics is a form of self-management first proposed by Thomas Schelling in his paper "Egonomics, or the Art of Self-Management." Schelling suggested that individuals suffer from a sort of split-personality disorder whereby the present self wants a specific thing (e.g., eating a cookie) but the future or past self wants a different thing (e.g., losing weight). Both selves exist, but do not exist at the same time.