The author shows the advantages of being in solitude for some time. He uses a real-life example of a man superficially seen as a superhero but struggling with anxieties deep inside.
To find out more, go to https://pdulski.com/en/
See the trailer of Paul's book "The inner fight": https://www.youtube.com/watch?v=0HoOwAzw_nY&t=1s
You can buy his book here: https://pdulski.com/en/e-book/