I've been unhappy for quite some time for no apparent reason. A while back, I began reading the 道德經 (Tao Te Ching), which has amazing insight into "the Way," essentially, the entirety of everything in the Universe, or what is...a difficult concept to explain, especially since nobody apparently can grasp it.
Anyway, since reading it and other works, I've come to be "happier," or at least "contented" or disconnected from extreme emotional difference. Especially, I found Chapter 2 (Abstraction) extremely enlightening and helpful:
When beauty is abstracted
Then ugliness has been implied;
When good is abstracted
Then evil has been implied.
So alive and dead are abstracted from nature,
Difficult and easy abstracted from progress,
Long and short abstracted from contrast,
High and low abstracted from depth,
Song and speech abstracted from melody,
After and before abstracted from sequence.
The sage experiences without abstraction,
And accomplishes without action;
He accepts the ebb and flow of things,
Nurtures them, but does not own them,
And lives, but does not dwell.
(天下皆知美之為美斯惡已皆知善之為善斯不善已有無相生難易相成長短相形高下相盈音聲相和前後相隨恆也是以聖人處無為之事行不言之教萬物作而弗始生而弗有為而弗恃功成而不居夫唯弗居是以不去)
So, I guess I agree with [user]OakTaooper[/user] that happiness is a myth. We create happiness and sadness, instead of just accepting things as they are. To introduce categories is to make handling issues more difficult.
Therefore, I'm becoming more contented and accepting, but still not completely able to discard "happiness" and "unhappiness," which means I'm not completely happy. Ugh.