DEAR ABBY: My husband has a twin brother and a younger brother. After I met his family, it became clear that his parents openly favor his twin, "Kaden." Based on childhood stories my husband and other family members told me, his parents have spent most of their time, energy and money on Kaden. Previously, it made sense. Kaden had health problems as a child and required extra care. But now, although he's a healthy adult in his mid-30s, the situation hasn't changed.