Next time you question your guy’s honesty, watch for these little clues to find out whether or not he’s telling the whole truth.
1) He looks up and to the left
The next time you ask him a sticky question or he wants to explain himself to you, note which way he looks. If his eyes move up to the right, he’s recalling information from his memory. If he looks up and to the left, there’s a good chance that he’s inventing the answer. 
2) He toys with his ears or his nose.
If your guy starts toying with his ear or nose (and he doesn’t have allergies), be suspicious. When a guy is being deceptive, it’s common for blood to rush to his face. His nose and ears will get warm and begin to itch, causing him to unconsciously rub or scratch them. 
3) He shifts in his chair or taps his fingers
These tics may make it seem like he’s just plain nervous, but if they’re done while he’s explaining himself to you, they actually indicate that he could be fibbing.
4) He covers his mouth with his hand.
This guy is probably lying.  When he unconsciously obstructs your view of his lips, it’s a sign that he’s trying to block the truth from slipping out. In addition, he might lick his lips and look away from you— directing his eyes down and to the right.

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When a guy is an expert liar, he does it without giving any of these signals, though I have seen some that do

@poster i guess u're working for a federal intelligence agency? Maybe u've done your homework,searching thorougly on the web to have gotten such. All those behaviors cannot always be perfect in detecting when someone is lying or not;even a lie detector can be flawed too.

All dis re mere reflex actions,go find a job

All dis re mere reflex actions,go find a job

That one no dey work for professional liar