By Jon Terrell, M.A. “Grief is like a stranger who has come to stay.” — Carol Staudacher, author of Beyond Grief Understanding the Stages of Grief In On Death and Dying (1969), Elisabeth Kübler-Ross introduced the concept of five stages of grief, originally describing the experiences of dying patients and their families. Over time, her model has been applied more broadly — to anyone facing loss. These stages are not a fixed sequence or a checklist. Grief is deeply persona