I am depressed a lot, i dont know why or how it happensdepression is a state of low mood, what about you?
I'm the opposite, very rarely depressed. Why are you feeling so depressed?
I dont know, maybe its just depressed mood, not depression maybe i have dysthymia 
hmmm i see, could it be because of the environment you are in ?
Dysthymia
Persistent depressive disorder (PDD), formerly known as dysthymia, is a mood disorder consisting of the same cognitive and physical problems as depression, with less severe but longer-lasting symptoms. The concept was coined by Robert Spitzer as a replacement for the term "depressive personality" in the late 1970s.
According to the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders, published in 1994 (DSM-IV), dysthymia is a serious state of chronic depression, which persists for at least two
and vulnerable. I've been there, so that's why I got behind the song, and I know a lot of people have been there too, it's just real. You don't always have to be romantic - sometimes it's important to just be real."
Scott Schelter from "Pop Crush" realized that "The song finds DeGraw in a seriously depressed place. He sings about listening to the radio while staring at a picture of his ex and wishing they could still be together." It