His love and understanding of zoology was the reason he survived on the life raft. Even though Pi went against his morals and ate meat, Pi considered it necessary to survive. His will to survive and eliminate all personal boundaries allowed him to do whatever was necessary to survive. And finally using his knowledge of animals as a means of maintaining a psychological level of sanity, which kept him motivated and sane throughout his time at sea. Given the extreme circumstances Pi experienced and the means he used to deal with them, it stands to reason that his choices were