1. https://www.youtube.com/watch?v=_UtA0dwGoUQ
2. https://stelazin.livejournal.com/107105.html
3. https://habr.com/ru/post/474870/
4. https://www.youtube.com/watch?v=qGGFjUDXvrE&t=811s

5https://www.youtube.com/watch?v=PDJcob_uk3w
https://blog.samaltman.com/founder-depression