Being a human lie detector is not a difficult thing. You simply need to understand the tale-tell signs and tactics that are inherent of every liar. Here are five basic signs that are common to most liars:

They Relax & Become Happier When You Change The Subject

A topic in which the person is deceptive on will cause them to be tense and have anxiety. If you think that they are being deceptive, then you should switch topics on them to something different and watch how they react to the change. If they suddenly appear to be more happy and relaxed, then this can be a sign that they were trying to be deceptive before you switched topics on them.

They Stall for More Time

Someone who is sure of themselves or honest will usually have an honest answer for an honest question and it will come to them with little thinking involved. Not true with the liar. When a liar is caught off guard, they require time to formulate a response that sounds legitimate. Therefore, they might employ a stall tactic to buy more time. One commonly used way a liar buys more time is by employing rhetorical questions such as: