Got this idea from a comment on LessWrong.
Basically, it says, that we shouldn’t be emotionally invested in only one thing. If viewed like a portfolio, we should diversify our emotional needs. If our self-narrative only depends on a specific emotional need (validation by others or for a certain project), we run at risk of being utterly terrified of loosing that emotional need. I felt connected to this, since I am very much emotionally invested in my work and my grades, and determine most of my self-worth on whether I succeed or other people validate me and my ideas.