Knowingthatpeopleassumethatthey'llaverttheirgazewhiletelling a lie, liarssometimesovercompensatebylockingtheireyeswithyouforlongerthanisnecessarytoconvinceyouoftheirhonesty.
Sweatingis a symptomofanxiety, andanxietyoftenaccompanies a lie.
Someliarsbreakoutin a coldsweatastheirlieunfolds; otherssweatthelieoutwithoutphysicallyperspiring.
Ifyourconversationpartnerisn't pronetosweating, orifthey'reknownforsweatingwhentelling a lie, thenthebeadsofsweatontheirforeheadcouldbe a warningsignthattheyarelying.
Scientistshavefoundthatthehumannoseactuallyexpandswhen a lieisbeingtold.
Thisiscausedbychemicalsbeingreleasedduetothepressureoftelling a lie.
Whileyouwon't actuallybeabletoseetheeffects, whatdoeshappen, isthisswellingcancreate a tinglingsensationoritchwhichtheliarwillwanttoscratch, andas a result, theyenduptouchingtheirnose.
9. TouchingtheNeckorPullingontheCollar
Thisis a classictell-talesignof a liar, andthereasonbehinditcomesfromthesensitivityofthedelicatefacialandnecktissues.
Whensomeonelies, itcreates a tinglingsensationintheseareas, whichtheliarwillwanttotouch.