into the stream water ,the situation at that time was extremely dangerous ,Buck had jumped into action in an instant .When Thorn got saved at last ,Buck was nearly dead because of freezing cold .On seeing Buck was badly wounded in order to save himself ,Thorton moved to tears .Besides ,Buck helped Thorton again in another different manner .
　　
　　All those things showed that Buck loved Thorton very much .If anything want to hurt Thorton ,no way .But things went to a wrong a way ,when Buck came back from outside ,he found that Thorton and other living things in their camp were killed by the Yeehat Indians .Then ,Buck got mad ,a wave of great anger came over him ,he growled out loud with a terrible terrible sound but he himself did not know that he growled .”For the first time in his life he allowed his feeling to win over his cleverness and reason ,and it was because of his great love for Thorton that he lost his head .”Buck truly was a evil ,he killed the Yeehat Indians and reven