How does Tris learn to keep functioning even in the face of tragedy? How does she progress in this throught the story?

Tris unwittingly slips into the role of a leader among her friends, and people consistently look to her for guidance and help with decision-making throughout Insurgent. Tris develops a strong capacity to lead, guide, and make well-informed decisions; on top of that, she learns how to continue functioning in the face of terrible tragedy. By the end of the novel, she also learns to value herself and her life more than she did before. She realizes that death is final, and she is not finished doing what she has to do yet.