Weeks later, I tracked down the woman, whose name was Margaret. She told me that years ago, a stranger had helped her when she had nothing, and now she was paying it forward. Six months later, my mom lives with us, the twins have their own rooms, and our lives are finally stable. Every night, as I listen to my girls’ laughter echoing through the house, I think about how one woman’s kindness transformed our lives — all starting with a secondhand washing machine.