Whipple tells him that she is not for sale. Upon returning to his lab, Walters finds that his latest experiment has resulted in the lab animal's death. He becomes convinced he needs larger animals that possess the "will to live".
Whipple lets him know she's off-limits. When Walters returns to his laboratory, he finds that his latest trial has resulted in the death of the lab creature. He becomes convinced he needs bigger animals with a strong will to live.