Tao and union of the opposites

Tao is about the union of the opposites, both as the true meaning of Taoist meditation and as looking at Tao as a cognitive understanding of life. Carl Jung called it coniunctio and the psychological process "individuation". Why do we need to achieve a union of the opposites? And what are the opposites anyway?

A proper understanding of Tao has no meaning for a young person who is yet to develop his worldly ability. He values his skills and his own positive attitude. But when the clock begins to tick in, when we have passed our meridian, for better or for worse, we are put into a situation in which a true appreciation of our strengths and liabilities become not so threatening. And as a preparation for our eventual death, the urge to make better sense out of our lives begins to seep in. And fate is something we can appreciate and can embrace.

What I'm saying is a better understanding of Tao would be getting easier, and a better understanding of which can be therapeutic for any soul seeking for an eventual rest - finally everything can be put down with no regret. For those who have an experience of near-death, their experience could be enlightening. For a devoted Taoist meditator, such insight or enlightening will be the goal of his practice. Hate has to be let go, love has to be let go, and Tao can therefore be experienced.

Jung has this much to say after his own near-death experience:

"The objectivity which I experienced in this dream and in the vision is part of a completed individuation. It signifies detachment from evaluations and from what we call emotional ties. In general, emotional ties are very important to human beings. But they still contain projections, and it is essential to withdraw these projections in order to attain to oneself and to objectivity. Emotional relationships are relationships of desire, tainted by coercion and constraint; something is expected from the person, and that makes him and ourselves unfree. Objective cognition lies hidden behind the attraction of the emotional relationship; it seems to be the central secret. Only through objective cognition is the real coniunctio possible (296-97: Memories, Dreams, Reflections)."