Just so you know, you totally took the two sentences below from my mind. I had variations of them typed in my original comment but decided to keep it brief in the end.
able to judge situations intelligently, unflinchingly change her mind and determined to protect what she sees as important, usually her family
can see her weighing up situations and considering what is the right thing to do, as well as the personally advantageous choice, and then deciding how to make that choice work best for her