She had experienced matrimony before.
"For Every Man A Reason"
Patrick Wilkins
And then matrimony admits of a man's changing all his habits.
"The Martins Of Cro' Martin, Vol. II (of II)"
Charles James Lever
All the men do not improve on acquaintance like your father, and I have known girls who were pretty and engaging one year who were old women the next; matrimony has that effect on most of them, and you should know it.
"The Mystery of the Locks"
Edgar Watson Howe