this professional show jumper in south africa has horses that are more than just prize winning investments. they are part of the family. >> you're asking so much of the horses. you're asking them to do things for you. it's not about force. it really is a partnership. you're asking them to do a huge athletic endeavor that you ask from them. the more they work with you, the easier it is and the more likely you are to succeed. >> reporter: when her champion horse became sick, it was devastating. >> he couldn't put weight on his front feet. we thought it was just an inflammatory disease. then he started to get shaky and sat down, he couldn't control his back -- obviously it's all