This document discusses theories and models of bereavement, grief, and loss. It begins by defining key terms like bereavement, grief, and loss. It then summarizes several influential theories and models of grief, including Freud's model of melancholia, Kubler-Ross' five stages of grief model, Parkes' psychosocial transitions model, and Silverman's continuing bond theory. It discusses how contemporary research emphasizes narrative identity and how grief is shaped by individual memories and stories. The document also stresses the importance of understanding cultural differences in experiences of grief and loss. It provides guidance on listening to those who are grieving without trying to fix their grief or impose models.