Being a parent to a cocky, disrespectful teenager is far from easy, and different parents have different approaches to get their children to behave.

One mom, Heidi Johnson, wrote a handwritten letter to her son, Aaron, and shared it on Facebook. She didn’t intend for the post to go viral. She didn’t even intend to make the post public. It was supposed to just be for friends to see, but she does not regret her post or the fact that it’s public.