Harry smiled at his son, because no matter what he liked or didn't like about this union, he loved his son. He reached out and hugged his son.
"I'm glad you're happy," he said softly to his ear. More honest, more heartfelt. Because no matter how much he'd prefer another union, he wanted his son to be happy. He pulled back. "Your mother promises not to hex your husband today, considering I'd say it's as good as congratulations."
He looked over at Severus. "Do take the time to speak to her," he advised.