Looking directly into another person’s eyes can reveal a lot about them. In fact, poker players often cover their eyes with sunglasses for fear of giving a tell, and some studies have shown that staring into another person’s eyes can…

Looking directly into another person’s eyes can reveal a lot about them. In fact, poker players often cover their eyes with sunglasses for fear of giving a tell, and some studies have shown that staring into another person’s eyes can…