One of the most important marital activities a husband can participate in is to placate his Mother-In-Law. They say that the big three challenges in marriage are money, sex, and in-laws; your wife's thinking about all three are usually shaped at least in part by her mother. So, as I said, it's important to keep your mother-in-law happy.
One sure-fire way to do this is to publish a picture of the cutest princess in the world wearing something new that M-I-L bought. Here it is:
Way to go, mom!
BTW, to Katie, purple is the new black.