All types of depression are not the same and symptoms vary person to person. Similarly, there is no one cause of depression. Depression is influenced by a number of factors, including genetics, chronic illness, life experiences, and sustance abuse.
What if someone told you that "depression is a choice." Perhaps your response might be to say, "Ohhhhh reeaaaaaallly?" (As a side note: The ORLY owl is but one of many Internet icons to depict astonishment with a twinge of eyebrow raising indignation.) I imagine this would be my response and I would be…