No one understands it. Not even those of us who are affected by it.
We can "control" it -- essentially that means we can dampen its immediate effects on the body -- with drugs. Most of the time. But not always.
And each depressive is different, because people are unique. Some people who are clinically depressed have a tendency to break into tears unexpectedly, uncontrollably.
Not me. I have the interesting urge to go for the throat of the next person who pisses me off and sink my teeth in.
Kinda like Dexter. With a little Nick Knight thrown in. Those guys I understand. "Anger Management" is for pussies.
Suddenly, I'm hungry.