When you lose a loved one due to death, separation, divorce, or other circumstances, it's natural to go through a grieving process. However, grieving is not just something we experience when a person dies. You may be grieving the loss of a cherished home you've had for a long time, or a job that you loved working in. There are many things that may cause us to feel the need to grieve in order to come to terms with our loss so that we can move on with our lives.