Paramour n. : A lover, of either sex; a wooer or a mistress (formerly in a good sense, now only in a bad one); one who takes the place, without possessing the rights, of a husband or wife; -- used of a man or a woman.

Paramour n. : Love; gallantry.

Paramour adv. : Alt. of Paramours

Example:
Why is Freshy such a loquacious Paramour?

Taxonomy
intimate relationships, relationships, participants, Current research, Aristotle, science, one another, marriages, free encyclopedia, ancient philosophers, virtue, 1960's, disciplines, researchers, Perlman, warm feelings, relationship studies, Personal Relationships.

Defination from the web:
... It is a relationship in which the participants know or trust one another very well or are confidants of one another, ...