https://web.archive.org/web/*/https://bronnieware.com/blog/r...

https://openlibrary.org/works/OL16730132W/The_top_five_regre...

Related:

The Ideal Road Not Taken: The Self-Discrepancies Involved in People’s Most Enduring Regrets - https://web.archive.org/web/*/https://walkerd.people.charles... | https://doi.org/10.1037/emo0000326 - 2008

Or, expressed as commands you could act on to guard against these regrets:

1. Live more for yourself, and less for the expectations of others.

2. Don't work so hard.

3. Express your feelings even when doing so is difficult.

4. Keep in touch with your friends.

5. Strive to be happier.