she would make him feel she had never fallen before - and I should think it's likely she never had. She would not be everyone's money. You may be sure that she let Mr. Quayne know that her little life was from now on entirely in his hands.
(The Death of the Heart, by Elizabeth Bowen, 1938)
I thought "she would not meet any random man" Is it an idiomatic expression? anybody knows the meaning?