Don't know whether some one feel down because of envy others or envy others making them feeling down.whatever which one, envy comes from someone or something which they can't love or don't have, which are the best for them.but how could the best exist for them when there's no greed in hearts? When the best exists in their hearts it can only proves that they have been pure for being a playful fox, a  revenegble snake,or a thankful hedgehog .they are all deity in Chinese original culture in north east of this land for a very very very long time.