To overcome unhappiness one must know what unhappiness is. And unhappiness falls under these main topics:

Unhappiness is the self.

Unhappiness is unhappiness.

Unhappiness is unhappiness is.

Unhappiness is I am unhappiness.

Unhappiness is the growth of unhappiness.

Unhappiness is the state of unhappiness.

Unhappiness is the relationships of unhappiness.

Unhappiness is the influences of unhappiness.

Unhappiness is the formation of unhappiness.

Unhappiness is the forms of unhappiness.

Unhappiness is limitations.

Unhappiness is the emotional responses of unhappiness.

Unhappiness is the desires of unhappiness.

Unhappiness is confusion.

Unhappiness is depression.

Unhappiness is pain.

Unhappiness is the thought pattern of unhappiness.

Unhappiness is unattainable goals.

Unhappiness is unrealistic dreams.

Unhappiness is doubts.

Unhappiness is bitterness.

Unhappiness is the behaviors of unhappiness.

Unhappiness is apathy.

Unhappiness is guilt.

Unhappiness is arrogance.

Unhappiness is jealousy.

Unhappiness is frustration.

Unhappiness is anger.

Unhappiness is despair.

Unhappiness is passiveness.

Unhappiness is selfishness.

Unhappiness is fear.

Unhappiness is hate.

Unhappiness is the cycle of unhappiness.

Unhappiness is continuance.

Unhappiness is reprieve.

Unhappiness is knowledge of unhappiness.

These topics are further explained and defined in my book titled Knowledge of Unhappiness.