I saw an IG reel the other day where a musician was talking about success. His advice was to set a tangible, achievable goal.
His observation is that when there is no goal, people who are legitimately "making it" have no way to gauge that for themselves. Instead, they're anticipating a feeling of making it, which never materialises.
I've been thinking about that a lot recently.
I just went looking for it again. It's from John Mayer:
https://www.instagram.com/p/CwdOVWPswm8/