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In recent years， many people think happiness is the most important thing， but facing （1） 　

　bravely may be more helpful． Some researchers in the University of Melbourne say that society is trying to avoid unhappy things． It will be （2） 　　to people's health． One researcher says happy people may not be happy in their mind． These people hide unhappy things （3） 　　their hearts．After a long time， this mood will be bad for mental and physical heath．

   How do we keep really happy？ We should keep humorous， have lots of hobbies， be kind and （4） 　　our fun with others more． If we are sad， we should tell others or cry loud． If we are happy， we should be really happy．