What to do when your kid lies — and why it’s not what you think

You asked if she brushed her teeth. She said yes. You found the toothbrush dry.

You asked if he finished his homework. He said yes. You found it untouched at the bottom of the bag.

Or it was something bigger: a story that didn’t add up, a version of events that changed when you asked again, a lie told with such confidence that for a moment you almost believed it.