Thanks to a charismatic yet ill-mannered older relative, my son has taken to annoy people with uncalled-for thoughtless categorical remarks. That stuff had stuck in him so deeply that he didn't realize doing this, just couldn't keep in. Often, we his parents couldn't help getting mad trying to discuss something important with him. We're not so bad at adapting to different personalities but with this issue, he always took us aback, coming to this mood out of the blue as if he'd got up on the wrong side of the bed. Understanding came too late, after the wrong words has already been said. That day, he started squabbling while we were working on his study plan. Whatever I said, was met with penny arguments. “Look, you just object to everything I say and it doesn't get us nowhere,” I said, feeling ready to burst out with anger. “No I don't.” “Yes you do. Right now you're inhaling and your mouth is open to give another argument.” He realized that he was in...