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"?]

Meh:

Here are some creative ideas to expand on the optimism advice page:

These ideas build upon the existing themes of scope management, realistic time frames, expectation management, balanced self-sacrifice, and strategic quitting.