Do not let the sad people envelop you. Do not even let the happy people envelop you. Can you not just be yourself? No one is happy all the time. No one is sad all the time. & I know to some it may feel that way. But even if it is only for a moment, you find yourself happy. And you don't do it for other people. Your emotions don't depend on other people. You do it for yourself, because you know that you deserve it. And you do. So do it.