People interested in each other smile more, and their mouths may even be slightly open. Engaging in eye contact is another indication. A person who leans towards you or mirrors your body language ...

Donald Trump has been spotted with a "painful" and "rigid" smile, which a body language expert interprets as signs of "quite ...

But not all smiles are the same. Paired up with varying vocal tones and body language, understanding the different smiles can reveal a lot about how you feel about your relationships — including ...