How did this man can live alone on Island?

Mauro Morandi has been living on the Isle of Budelli since 1989
I found this interested News
source:[url:https://edition.cnn.com/travel/article/italian-hermit-leaving-budelli/index.html]CNN[/url]
I have some question for all of you

1. Do you want live alone on island?
2. What would you bring with you to that island?
3. What is the positive / negative live alone on island?
Thank you all
