Scope: you know you can do (almost) anything, though you cannot do (almost) everything
Time frame: you see that most people overestimate what they can get done in 5 days, but underestimate what they can do in 5 years
Managing expectations: You accurately predict your own staying power--and of those who support you
Self sacrifice without martyrdom
Opportunity cost: you know when to quit—and won’t beat yourself up about it.
[relate to "Unlimiting beliefs"?]