They often say that the eyes are the window to the soul. The key to knowing which kind of eye contact someone is giving you, is to consider the context.
If you want to see how comfortable a person is, take a look at their eyebrows! There are three main emotions that make your eyebrows go up: surprise, worry, and fear.
When it comes to smiling, the mouth can lie, but the eyes can’t. Genuine smiles reach the eyes, crinkling the skin to create crow’s feet around them.
If you’re meeting someone for the first time, and all they do is talk about their wonderful better half or praise their work colleagues, chances are, they’re a pretty decent person themselves.
Paralanguage is nonverbal communication such as your tone, pitch or manner of speaking. Basically, it’s a fancy way of saying that you need to pay attention to how someone says something.
People that are warm and open to meeting you, will have their body facing you and they will look you in the eye.