That is not a satisfyingly specific enough answer for Croach, but perhaps the human's motivations are more personal. In which case Croach would still like to know them. "His eyes are not as rounded," he points out, frowning, as he considers next how to describe his relationship with Sparks Nevada. He is, it would seem, difficult to describe in many respects. "He is a companion, from whom I have recently been separated," he explains haltingly. "I owe him a great debt. It appears now that I will never be able to fully repay it."