There's a TED Talk that says "if the answer isn't 'Hell Yes' the answer should be 'No'." A closet shouldn't be full of clothes that "I might wear someday in the future". They should be full of clothes you absolutely love.
The 90% rule: if you're evaluating an option, and come up with some criteria for whether or not it's a good fit — if the option is below a 90% fit, it's not good enough.
<aside> ➡️ Make decisions by design, rather than default.
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It can be more fulfilling, AND more financially lucrative to be the best at one thing, than to be good at everything. This is a specific case of Ron Swanson's quote:
"Don't Half Ass Two Things. Whole-ass One Thing." - Nick Offerman