They are complementary. Whether we feel something is hot or cold, soft or hard and so on, is often rather a matter of attitude than of objective judgement. A visible sign of this relationship is a tendency in Nature towards a pendular movement from one of two imaginary extremes to the other. This pendular movement between two poles perhaps expresses an attempt to return to the Oneness out of which the two poles originally emerged. Another example of this pendular movement in Nature is our own out-breathing.
Examples are also to be found in the field of psychology, in human nature.
The more emotionally elated we tend to be, the more we may be prone to depression. We all know of the sad clown, who can at times make others laugh with his gaiety, but at other times feels his own heart is broken. We all experience this to some extent. The further the pendulum swings in one direction, the further it will swing to the opposite direction. And, thus, if we swing with the pendulum, we go to extremes, perhaps not extremes of asceticism and over-indulgence, but certainly extremes of joy, and depression, perhaps love and hate.