What do you remember about being 3 1/2? If you're anything like most of us, your memories are hazy. Maybe you have an image of the room you slept in or a vague sense of what it felt like to be hugged by a family member. What you likely don't have are clear, articulated ones of interactions and relationships, the kind that older children, teens, and adults can access when it comes to remembering someone who has died. Mary Plouffe, Ph.D. is a clinical psychologist who had a clear and professional sense of how young children understand death and grief. This sense became more personal though when her sister Martha died, leaving behind a 3 1/2 year old daughter, Liamarie. Mary recently published her memoir, I Know It in My Heart, Walking Through Grief With a Child, about her experience of grieving Martha's death and doing so alongside Liamarie, who was wrestling to understand her mother's death and what it meant to grow up motherless.