“Starting today, Margot and the little ones are moving in here, so if you have a problem with it, that is just too bad for you, Catherine.”

Those were the exact words my husband, Benjamin, threw at me while I was still standing frozen with one hand on the doorknob of our house in the quiet, tree-lined suburbs of Maplewood, unable to understand why two young children were suddenly in my living room and why a woman was calmly lining up diapers on my favorite coffee table.