I'm afraid I don't have any personal advice to offer you. However here are links to 11 articles, from PC's archives, that touch upon some of the concerns you raised. Hopefully there will be something in them that can be of benefit:

When You Feel Lost

When You Feel Lost or Disconnected from Yourself

Feeling Lost in Life: A Learning Opportunity

Feeling Lost? How to Find Yourself and Get Back on Track | Change Your Mind, Change Your Life

When You Feel Empty: What It Means & What to Do

https://blogs.psychcentral.com/child...t-angry-empty/

https://psychcentral.com/blog/when-y...elf-regularly/

https://psychcentral.com/blog/breaki...ds-of-badness/

https://psychcentral.com/blog/how-to...hing-yourself/

https://psychcentral.com/lib/the-pai...ng-your-faith/

https://psychcentral.com/blog/8-step...yourself-more/

My best wishes to you...