“Professionals don’t know what gives some people a resilient personality,” Dr. Russ said, pacing the classroom. “You can have four people go through something exceptionally traumatic, and one of those people will have a higher resiliency to coping. They won’t turn to drugs or rebel against society, they’ll seek the positive in any given situation. Now the interesting thing is the argument whether resiliency is nature or nurture. Are we born with it, or is it taught to us?”