I don't want to be pedantic, but this is not depression. Depression is 6 months without a single high point. Depression is not a roller coaster- there are no ups. Just down. For a long fucking time. I've been depressed off and on for the past 10 years- about 5 depressive periods, each 6-18 months. I don't want to minimize the OP's struggles- he most certainly has some kind of mood disorder (possibly rapid-cycling bip…
There are many forms of depression as well as Major Depressive Disorder.