If you're a bad liar, that's actually a good thing. A little bit of stress or guilt when you stretch the truth or blatantly mislead someone means you're not a psychopath..
Still, if you want to look and sound more convincing next
time you ditch plans because
you're "not feeling well" or get to the office late because of "traffic," there are ways to bolster your lies with body language.
Here are eight ways to make your lies more believable.

Maintain your baseline
When questioning a suspect, law enforcement officers start with basic questions that they likely won't lie about. — their name,
where they're from, where they went to school — to observe
their "baseline" behavior. Then,
they add pressure by asking about the allegations and watch
to see if that baseline changes.
"Everything is predicated off a
baseline," said Strecker. "Those
stressors start becoming harder
and harder as you go along, so I'm looking for deviations from
the baseline."
If you want to lie convincingly, the key is to remain as cool and composed as you would be if you were telling the truth. The
problem is that deviations from
your baseline are often subconscious and uncontrollable