http://www.newsweek.com/how-tell-someone-lying-body-language-experts-chase-hughes-mark-bowden-1710316 > If you suspect your partner is cheating or your boss is being less than 100 percent honest, but you just don't know for sure, it can cause tremendous stress and unhappiness. > Studies have shown that humans are bad at spotting lies, despite valuing authenticity in everything from the brands we buy to the celebrities we follow on social media.