In her book Good Inside, Dr. Becky Kennedy shares something that a mom wrote to her. \u201cI feel guilty for all those years I punished my daughter and gave time-outs,\u201d the woman wrote. \u201cI always thought, \u2018It\u2019s too late, I messed up my kids forever.\u2019\u201d But of course, as we\u2019ve been talking about, it\u2019s never too late\u2014never too late to change, never too late to repair. That mom decided she wasn\u2019t just going to feel guilty, she was going to talk to her kids about it. \u201cI told my 8-year-old that I\u2019ve lea...