The individual. The person who is experiencing depression may feel tired, less interested in socializing with their partner, or less interested in activities that they previously enjoyed together. Depression may also cause emotional changes, such as an increase in irritability.

Why would a girl be depressed?

Depression is almost twice as likely to affect women than men and tends to have different contributing causes in women than it does in men. Contributing factors include reproductive hormones, a differing female response to stress, and social pressures that are unique to a womans life experiences.