May she share everything with her husband, including the housework.
Forget flowers and chocolates -- what most women really want is for their husbands to do the dishes! The classic housewife role has fallen by the wayside as more women work outside of the home. Modern couples eschew traditional gender roles, and it's becoming more common for men and women to share financial burdens and household duties equally.
This quote will elicit a laugh from your guests, but it also provides good advice for the newlyweds. It reminds the bride to ask her husband for help and lets the groom know that he shares responsibility for maintaining the home. Bridesmaids, parents and friends can use this quote to toast the bride, but you shouldn't use it as an excuse to pick on the groom. Keep the tone light, and end with a heartfelt sentiment to balance out your sense of humor.