Liar detection that works Spot liars by their actions. This requires that we learn to pay more attention to the actions of people instead of their words. It may take a bit longer than going by first impressions but trust me, it's worth the effort. When the time comes to choose a business or life partner, you'll thank yourself for every effort you made to be better at detecting lies, false information and liars. Not to mention when the time comes to pass that knowledge to your children. Surely you don't want to send them out into the "jungle" unprepared. That's it? Spot liars by their actions?...