For even a brief instant of time, every single human being has a mother. That mother-and-child connection is a complicated one. Yet we live in a society where we have holidays that assume a happy relationship. Every year when Mother’s Day rolls around, I brace myself for the onslaught of Facebook posts paying tribute to the strong, loving women who shaped their offspring. I’m always happy to see mothers celebrated, but there’s a part of me that finds it painful too.