DOPELDON or of what does the male thinks of?

In the bed of his mistress a middle aged man has dreamed about a new word which he tries to think up sense.

In search of sense of this word he scrupulously studies his life and understands, how his notions about life have strongly changed from youthful age.

All occurs against a love story and a painful choice with whom to be further. How to live further? What for to live further?