Human brain is not built for the purpose of happy feeling (joy). It is made for something challenging. like progress.
related post.
Same is for muscle. Although we can relax a muscle, muscle is not created for relaxation.
Hardship may linger but hardships won't, and it's not a bad news.
Klideoscopic keywords: Sufism, eros, Addiction, In pursue of happiness, Promise of happiness, Eschatology, hardship, economic competition, collective learning, ...
