Not cohabitation but consensus constitutes marriage.
The many faces of intimacy: the Victorians could experience it through correspondence, but not through cohabitation; contemporary men and women can experience it through fornication, but not through friendship.
Even cohabitation has been corrupted - by marriage.
Jazz was formerly a crude term for indulging in an action which in polite society is referred to, if at all, only with such vague Latin terms as intercourse and cohabitation.
