Well there are two kinds of happiness grounded and ungrounded. Ungrounded happiness is cheesy and not based on reality. Grounded happiness is informed happiness based on the knowledge that the world sometimes sucks but even then you have to believe in yourself.
Nothing is beautiful only man: on this piece of naivete rests all aesthetics it is the first truth of aesthetics. Let us immediately add its second: nothing is ugly but degenerate man - the domain of aesthetic judgment is therewith defined.