Anticipatory grief
The five stages namely, denial, anger, bargaining, depression, and acceptance proposed by Elisabeth Kübler-Ross in her model of grief describe the process by which people undergo after a loss. Anxiety, dread, guilt, helplessness, hopelessness, and feelings of being overwhelmed are also common. However, it is important to note that anticipatory grief is not simply normal grief begun earlier.
Mourning and Melancholia
In this essay, Freud argues that mourning and melancholia are similar but different responses to . In mourning, a person deals with the grief of losing of a specific love object, and this process takes place in the conscious mind. In melancholia, a person grieves for a loss he is unable to fully comprehend or identify, and thus this process takes place in the unconscious mind. Mourning is considered a healthy and natural process of grieving a loss, while melancholia is considered pathological.