When we offer our best wishes to others, we say: “ May you be happy every day”. But there are always things that prevent people from feeling happy.
First, perhaps the biggest is genetics. Some scientists say that some people are_1_____ happier than others. Besides, __2_____ life events as well as social and economic factors can also_3_____ in the way of happiness. Third, there’s__4_____ affecting your happiness, for diseases, if any, bring your trouble and pain.
