What I’ve learned about being a mother. This Mother’s Day was the 40th one that I have celebrated as a mother. And it has occurred to me that I have earned the right to answer the question: “What piece of advice would you offer about being a mother?” I used to think that only perfect mothers were qualified to speak on this subject. But this gets me to the one thing that I now know for sure: there is no such thing as a perfect mother. This whole motherhood (and parenthood, fo