Yes, he has to know.

"The Aphrodite Bridal Salon specializes in happy endings for good girls. An unwanted marriage would be an unhappy ending correct? So in the end, if it made a good girl unhappy, it wouldnt push through, do you understand?"

John nods, desperately. "I don't, I really don't want-"

"But that is only our promise to good girls. Have you been a good girl, John?"

John bites her now full lower lip, then shakes her head, her long blonde hair weaving around her like a trail of regret.

"So then.. untill the moment the vow take place, if you do your utmost to be a good girl... a good bride... then I promise that we will do everything that we can to give you a happy ending. Okay?

A good girl. A good bride. Could John really... promise to do that?

Once again, he heard Bastian's mocking voice.

I paid good money for you, my little pet, and I won't stand for a defective product.