CEDAR RAPIDS — Kathy Good regularly pins an orange silk flower to clothing.She bought the flower while she was caring for her late husband, David, who suffered from Alzheimer’s. It was purchased with what she called her “mental health money” — money she used to buy things to care for herself during a highly stressful time.That silk flower, in a way, has come to be the symbol of the Family Caregivers Center of Mercy — a project opening Dec.