A body language expert explains the deeper things you can tell from a person’s body language and posture. If you know what you're looking for.

It turns out Ronan Keating had it right when he sang “you say it best when you say nothing at all,” because non-verbal behaviours such as body posture and body language can provide great insight into a person from their personality, to their mood and emotions.

You probably felt awkward when you saw South Korea expert, Professor Kelly's reaction as he was interrupted by his children during his BBC interview. But do you know why you felt his discomfort? Find out which nonverbal behaviour repeated nine times, to make you feel his pain.