“Try to never be the person who cares the most” was an offhand remark my dad made to me when I was stressed over a group project in school. It helped me what in hindsight would’ve been very stressful situation many, many times.
It feels stressful and lonely because you feel like you have to hold all the strings together and if you fail, the whole project will fail.
WSJ Oct 2021, "Burned Out? Maybe You Should Care Less About Your Job", https://archive.md/2fsRi
I think I can apply it to both my work life, thinking about times where I overworked myself at a company where nobody else cared enough, and to my personal life, thinking about times where I invested myself fully into relationships where it wasn't certain to be requited.