While humans seek “profit”. It is important that “profit”, comes in various forms, which exchange rates are problematic to calculate (or maybe there can’t be

While humans seek “profit”. It is important that “profit”, comes in various forms, which exchange rates are problematic to calculate (or maybe there can’t be any): not hungry, not thirsty, tastes good, not cold, feel safe, feel excited, feel righteous, feel powerful, listen to music, watch a movie, get curious, satisfy curiosity, laugh, love, sex, rock n roll.