Flowers

While attending a marriage seminar on communication, Tom and his wife Ann listened to the instructor declare, "It is essential that husbands and wives know the things that are important to each other.
"He addressed the men, "Can you describe your wife's favourite flower ?
"Tom leaned over, touched his wife's arm gently and whispered,
"White Wings Self-Raising, isn't it?
"The rest of the story is not pleasant.