Despite a successful career in which he won 1,871 races, jockey Trevor McCarthy announced his retirement in April. He admitted that he was "miserable" and that the many problems that come with being a jockey, especially one who is 5 feet, 9 inches tall, had caused him serious mental health problems. In November, it was announced that McCarthy had taken on a new job as HISA's Jockey Wellness Consultant. To talk about his battles, his new job, his current state of mind and why he walked away from the sport...