"Your horse is testing you"

Your horse is testing you", "You can't let the horse win", "You have to be the lead animal for your horse," and many similar phrases are still on everyone's lips and minds, believed, taken to heart when dealing with horses, and passed on to others.
But are they really true?
What exactly is your horse testing? And what does it want to win? This book sheds light on these and other questions and encourages you to take a closer look.