What's the best gift you can give your Dad on Father's Day? Honesty, according to Distractify. That's why they hooked up a group of (unlucky) offspring to lie detector tests and let their Dads ask some rather prying questions. In this case, there's no running from the truth. The Dads hold nothing back as they ask whether their kids have ever used their money on drugs or had sex in their house. Doh!