During ages one to three, the experts advise that parents don’t need to knock on their toddler's door before entering, as ...

We had an argument about it and I told her if she wasn’t going to stop with the barging and refuse to knock on the door before entering then our son will get a lock. She did it again at 11pm ...

Once again, toward the end of the discussion, Goldberg issued a more serious warning to perennial non-knockers: "Knock. On. The door!" she said. "Do not ever walk into any door before you knock! You ...