This is how it feels: It’s a trot that’s resistance free. He glides with relaxed strides. At first you think it might be slow, but no, his strides are longer. He has time to push from behind. Every vertebrae in his back is loose. His movement is fluid and soft, like riding a wave.  His poll relaxed without fear or tension, knowing there will be no pain in his mouth. Your elbows and hands float…