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How to make your life good 
Smile at those around you. 
It's often been said that a smile is contagious, and research suggests that's true. Studies suggest that friendly engagement with others boosts happiness levels, at least in part because people are more likely to treat a smiling person better than a non-smiling person.
A smiling person is more likely to be regarded as viewed as attractive, reliable, relaxed and sincere. Cheering yourself up by cheering others is a hallmark of how to have a good life.