How to learn to look into others' eyes? I've always heard that the man's eyes are blue and clean, so I won't look.
Generally, eyes, like cameras, have a focus. You need to see where this person's focus is. If this person's eyes are melancholy, the focus of his eyes is uncertain, that is, there is no fixed focus, so it is empty; People with clean eyes have a specific focus. When I look at you, the focus will be on your eyes.