Not just animals robots, humans will project emotions onto other humans. We see a photo of someone's face, or look at someone who isn't making any particular ex

Not just animals robots, humans will project emotions onto other humans. We see a photo of someone's face, or look at someone who isn't making any particular expression, and imagine an emotion based on transient artifacts captured at a single point in time. See also: "resting bitch face" and all the memes featuring baby's faces.