How to be happy?

Attitude:
Express your love;
Express your compassion;
Express your joy;
Express your equanimity.

Love 
..is wishing happiness for all beings.

Compassion
..is wishing that they can be liberated from suffering.

Joy
..is wishing that they experience immeasurable joy just as one wishes it for one's closest friends. 

Equanimity
..is having calmness of mind or temper towards all beings.

Behavior:
Be generous;
Lead a life that is aware, meaningful and useful to others;
Do not lose your future happiness through anger;
Have joyful energy ensuring your growth;
Meditate;
Gather wisdom.

Generous
..generosity opens up every situation.

Aware
..if one watches the mind, nothing can stop one's progress.

Anger
..anger is the only luxury mind cannot afford.

Joyful energy
..make sure to stay alive from the inside out.

Meditation
..pacifying meditation of calming and holding the mind gives the necessary distance to choose taking roles in life's comedies and avoiding it's tragedies.

Wisdom
..doing good is natural.