Work is an activity that is financially-driven or one that you'd like to do less of.
You can lose money and make it back, you can't do that with time.
But you are the average of the five people you associate with most, so do not underestimate the effects of your pessimistic, unambitious, or disorganized friends. If someone isn't making you stronger, they're making you weaker.
Being able to quit things that don't work is integral to being a winner
If the challenge we face doesn't scare us, then it's probably not that important.
Poisonous people do not deserve your time. To think otherwise is masochistic.