He's DEPRESSED because he's pathetic
and creepy and can't get girls.
The Big Bang Theory Season 2, Episode 12
...because I'm fun,
I'm not clinically DEPRESSED at all.
The Big Bang Theory Season 6, Episode 5
Are you DEPRESSED because you're
alone and no one loves you?
The Big Bang Theory Season 4, Episode 5
Has he been DEPRESSED?
Breaking Bad Season 2, Episode 2
...green is jealous
and blue is DEPRESSED.
The Big Bang Theory Season 4, Episode 22