This document discusses loss, grief, dying, and death. It defines key terms and outlines the historical overview of losses, including obvious losses like death and less obvious losses like illness or aging. It describes the stages of loss and dying, including denial, anger, bargaining, depression, and acceptance. The stages of grief are also outlined. The document discusses unresolved and dysfunctional grief and provides signs and symptoms. It notes that the duration of grief is expected to last weeks to over a year. Mourning and bereavement are also defined. The phenomenology of grief includes social withdrawal and restitution. Dying can imbue humans with values and a desire to make the most of their time.