What is happiness by the way? It is not easy to explain by words but we all know when we are happy.
Most people use the word as synonym of pleasantness. If it is the case for you, you may want to rethink a little bit.
Nothing wrong with being happy these ways. But here is a problem. If your happiness depends on something outside, then your happiness will disappear soon or later. "I am unhappy because the meal is terrible." "I am unhappy because I am demoted." "I am unhappy because she doesn't love me anymore."
To overcome these fluctuation between happiness and unhappiness, we need to transcend the dimension of happiness. Beyond happiness is something you may want to strive for. What is it?