This video was a great example of yawning being used within the context of self soothing / attempting to come down from stress and I thought it could be a great educational moment. I want to reiterate that this creator was intending to be considerate and patient of the horse and didn’t punish the avoidance behaviour of moving away from the bridle, which many people would have, and deserves to be commended for that. We can only do the best we can with the knowledge we have. However, even with the