While attending a Marriage Seminar dealing with communication, Tom and his wife ...

While attending a Marriage Seminar dealing with communication, Tom and his wife Grace listened to the instructor, "It is essential that husbands and wives know the things that are important to each other."

He addressed the man, "Can you describe your wife's favourite flower?"

Tom leaned over, touched his wife's arm gently and whispered, "It's self-rising, isn't it?"

The rest of the story gets rather ugly, so I'll stop right here.