1. Body language:
Body language is the most common indicator of lies. The person who tells lies usually avoid the contact with eyes, and often during the conversation turns to the side view. Very often the body language and the crossed arms which symbolizing the defensive state. The same is true for nervous rubbing of hands and walking around the room.
2. The inconsistency of the story:
No matter how well planned, a lie is always a HOLLOW. The most common errors in recounting the details, such as for instance the inconsistency in the time period in which something supposedly happened. Numerous sub questions about the origin time and similar details can easily find out whether the person is lying or not.
3. Nervousness:
Nervousness is one of the first signs of lies. Lying is stressful, and you know the person you lied, its easy to recognize the first signs of discomfort and anxiety such as sweating, dilated pupils, changes in voice tonality and speed of speech.
4. Defensive behavior:
Liars often use the attack as a defense. Starting arguments and searching for the culprit is the most common reaction, especially if you start with sub-questions to which the person has something to hide does not know the answers.
5. Intuition:
Intuition is often neglected, but if you feel that the person you are talking with sounds and looks strange, do not underestimate their ability to observations but to try and find out why that weird feeling is bothering you...