The Grief You Feel Before Loss
You can mourn a loss before it even happens. This phenomenon, known as anticipatory grief, allows the brain to process impending change, whether it involves a terminal illness, a divorce, or even losing your job.
Many people are surprised to learn that grief is not always a reaction to something that has already occurred. By grieving in advance, your mind is essentially attempting to prepare for a new reality where a loved one or a major part of your life is missing. This process can be confusing because it often triggers genuine sadness while the person or situation is still present. It is a natural emotional response that highlights how our brains constantly strive to adapt to life-altering transitions.
Source: Anticipatory grief