I have my 2 month old colt that I would love to train to become a therapy pony to visit nursing homes and children's hospitals. I have been working with him to be ok with getting touched all over, walk on different surfaces, and to be ok with loud/surprise noises. What else should I do to train him, and does he have to be certified to be a therapy pony? If so what do I have to do to get him to get him certified? Thanks in advance!!