The work of a team leader and that of a psychologist overlap in certain aspects, especially concerning empathy, "reading" the minds and emotions of team members and colleagues, as well as the ability to adapt to the style and way of thinking of other people. This is why every manager would like always to be able to tell when someone is lying to them. Luckily, even the most convincing of liars are usually unable to suppress the following four giveaway signals.