Ever thought of knowing what is going on in someone’s mind, maybe during a conversation? For me, Yes! Research has shown that about 55% of information are communicated non-verbally amongst people.
In this articles, I intend to share with you, some tips to understand people actions and what they are communicating inwardly, so as to have an upper hand, probably in a discussion.
Chewing on objects – if you see someone chew on their pencil, glasses, such a person might have his or her mind clouded or cumbersome with something, maybe a task or duty. The chew on object with them to comfort themselves like when a child suck his or her mother’s breast.
Replicated yawning- ever yawned, and see another person, yawn around you almost immediately? Such person might be looking at you from a distance.
Face presentation – when in a conversation, and the person with you present his or her face, maybe with the hand resting the chin. Such is telling you, they are available for you.
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Leaning forward – when you are with a person, and he or she leans forward, they are communicating attraction to you.
Leaning backward – when you are with a person, and he or she leans backward, they are communicating tiredness, maybe in the conversation.
Chin rubbing – when a friend or colleague seems to rub his chin, it communicates ‘in between decision’. The person might be on the verge of making a decision. That can help you get into them.
Rubbing hands – when you see a person rubbing his or her hands together, he or she might expect something big, or is hoping for something.
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Crossed arms – a person who crosses his or her arm might be communicating privacy. Such might not be in the mood at you think.
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Gazing – when you are been starred at directly, maybe in a conversation, it can be that they don’t trust what you are saying and they are trying to find the truth by looking straight at you.
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True smile – it is not enough to smile or grin at someone, you can know a true smile when you see the side of the eyes move as well. A false smile comes a grin with no effect around the eyes.

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So, go out there and help a friend, have an upper hand over a conversation and see people true heart.
Share some other psychological tips if you know some and don't forget to upvote!

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Informative!
But try as much as possible to be a bit expansive with the explanations. I'm sure you can give us more and I believe I've learnt something too
If you don't mind, kindly check my post on grasses with comments if you have any.
Thanks