Is happiness important

the happiness in the life is very important because happiness make the peolple younger and make them friendly, the happiness make their life be better and if don't have the happiness the life will be bad and the people will be not friendly. It is difficult to define because the happ iness come from many ways like the situation or thingb like you got a good point in the class. And the factor are important in achieving happiness in the feel of that person in them life