Mood disorders happen due to disrupted mental well-being. When the state of mood affects an individual's well-being and day-to-day activities, it is said to be a disorder. Persistent sad moods can lead to anxiety disorders, depression, etc., harming physical well-being. Substance use and withdrawal also cause sad moods. Seeking the help of a psychologist or psychiatrist can be of use to come out of the situation.
Empty Nest Syndrome - A Review
Empty nest syndrome is the feeling parents experience when their children grow up and leave their family homes.