Parenting advice: My mother-in-law is pressuring my young daughter to use makeup and care about clothes. But she just doesn't!

Care and Feeding is Slate’s parenting advice column. Have a question for Care and Feeding? Submit it here .

Dear Care and Feeding,

My daughter, “Fiona” is 12 and not a girly girl. She’s not unattractive by any means, just not interested in clothes or makeup. The problem is that my mother-in-law has been constantly harping on this disinterest since last year, and claims that Fiona is “hopelessly ugly and desperately needs a makeover.” It’s gotten to the point where Fiona doesn’t want to spend time with her anymore because she’s sick of the constant suggestions about how she should dress and offers to take her shopping for some “proper clothes.” My husband says his mother is just trying to compensate for the fact that she only had boys and our daughter ought to “humor” her. Perso