When speaking, we usually either nod or shake our heads, depending on whether we agree or not. When we listen extra carefully to a discussion, we can lean our heads to one side. Hanging your head or wrinkling your forehead can signal sadness or depression. When we’re amazed at something, we often raise our eyebrows, while we turn up our noses at things we aren’t fond of. In your face alone forty-three different muscles are concealed, and these can be combined in countless ways.
