"As humans we're predisposed to connecting and empathising with people. So if we see someone who looks sad and upset, we're likely to feel a bit sad and upset for them. And likewise, if we see someone, you know, just absolutely elated and joyous, then we're really likely to connect with that as well.

"So it's sort of this really great part of the human experience where we feel what others feel as well, and connect with people in that way."