Engage with people, even if it’s awkward or you have something more fun and that takes less effort right now
Get a basic understanding of personal finance (read a book or two)
Don’t be content with the bare minimum. You’ll spend a lot of time working. Try to get as much as possible for yourself for every hour working.
But I think each person’s realities will vary a lot. For example, regarding the first bullet point, maybe you’re extraverted and already a social butterfly, in which case the advice doesn’t apply.