Happiness is a decision and so as Love. If you decide to be happy then you're happy. If you decide to love then you love.
If you choose to be sad then you will be sad but there times you don't know why you're sad. Tears start flowing from your eyes.
Depression exist without you knowing it, even denying it. It is not an illusion. You don't even know you're in it. It takes awhile before you realize it. If you deny it, it means your still in there or else you won't talk about your misery and the dramas in your life.
How can you be free, If you don't even know you're trap or lock inside?
Writing fiction is a way of expressing feelings and revealing a certain truth about life, goals, dreams and desires.