happiness is important in our life. for example if you
gave a person a work and he is happy to do it. it will
be difference when he is not happy . because when you are happy good ideas will be in your mind and you will do the work perfectly. and also happiness is important in every where in the world because happiness spread love between people. so do not let any small thing effect on you and always be happy and smile.
thank you
@o4wx