Learn from nature. See how everything gets accomplished and how the miracle of life unfolds without dissatisfaction or unhappiness.
The ego's form of happiness can't exist without unhappiness. The ego will be happy when something good happens but unhappy when it ends.
Your unhappiness ultimately arises not from the circumstances of your life but from the conditioning of your mind.
Much suffering, much unhappiness arises when you take each thought that comes into your head for the truth.
If you don't mind being unhappy, what happens to the unhappiness?