How to Detect Your Kid’s Lies -- Don't interrogate your child. Research says children will lie to parents as a desire to please, so reward your kids when they tell the truth instead of attempting to get at the root of their lie. Time now for the Dad Joke of the Day -- What did Obi Wan Kenobi say to Luke Skywalker when he was having trouble eating his food at a Chinese restaurant? Use the 'Fork' Luke.