That argument successfully convinced Mary.
Mary knew the nature of men all too well.
Her father, Old Frank, was just such an unforgettable man. Her mother and stepmother were both women he had despised and cast aside; in the end, they either entered a convent to become aging Nuns or were sent to the guillotine.
This filled her with a pessimistic view of love; she didn't believe in pure, flawless romance, nor did she believe men could ever be truly faithful.
Like her father, she pursued power over love.
She believed men were merely accessories, utterly dispensable.
The day she finally succeeded, she could have any man she wanted.
Coupled with the fact that Lian Moria frequented the pastry shop night after night, even running off with all the pretty girls, Mary found the reason all the more believable.
Since Lian Moria couldn't have Nancy Stuart and needed an outlet, it made sense that he would do something so absurd.
