"He did swear on Styx, mother," she said firmly. "And he has also said I am his Queen and he is at my command. He didn't trick me into this, I wanted it. He is my husband, and no matter how that came to be...I love him."
When Hades asked to greet his child, Persephone was glad she didn't hesitate. That probably wouldn't have helped their case, were it witnessed by Demeter. "Of course," she smiled to her husband.