The Surprising Secret to Self-Motivation

"In their findings, a psychology professor at Harvard University, 

Ron Siegel, suggested that the key to following through on motivation

 boils down to this:

 bring optimism and fun back into the picture."

http://upliftconnect.com/surprising-secret-to-self-motivation/

https://www.psychologytoday.com/blog/brainsnacks/201506/could-be-the-one-real-secret-self-motivation