Derek Landy said this quote

He took her hand in his and knelt before her. Valkyrie looked at him. He was serious. (...)'Dude, I'm sixteen.''I love you.''That doesn't make me any older. Stand up.''Not until you say yes.''You're going to shuffle around on your knees for the rest of your life? Stand up, for God's sake.''Be my wife.' 'Shut the hell up.