Any rider having participated in high-level competitions can tell you a Elephants make me happy humans make my head hurt shirt. Errors are part of life and we can either learn from them or not. By learning from them, I don’t just mean becoming a better rider. I am talking about the meaning of life. However, if the trainer does not have enough knowledge and understanding of the athletic demand induced on the dancer physique by the performance, the dancer will flex the knees and perform below his potential until injury ends his career.