Feel Flows....

Most importantly, flow is what researchers call an autotelic experience. Autotelic derives from two Greek words: autos (self) and telos (end or goal). Autotelic experiences are things that are worth doing in and of themselves. Researchers sometimes call these intrinsically rewarding experiences. Flow experiences are intrinsically rewarding.

https://theconversation.com/why-does-experiencing-flow-feel-so-good-a-communication-scientist-explains-173505