A new study explores what happens to students who aren't allowed to suffer through setbacks. Thirteen years ago, when I was a relatively new teacher, stumbling around my classroom on wobbly legs, I had to call a student's mother to inform her that I would be initiating disciplinary proceedings against her daughter for plagiarism, and that furthermore, her daughter would receive a zero for the plagiarized paper. "You can't do that. She didn't do anything wrong," the mother inf