I'm CONCERNED about Amy.
She's acting a bit odd, lately.
The Big Bang Theory Season 10, Episode 7
But we just got tattoos. Wouldn't we be
CONCERNED about bacterial infection?
The Big Bang Theory Season 3, Episode 3
LEONARD: I'm just a little CONCERNED
about you and...
The Big Bang Theory Season 2, Episode 3
As far as you're CONCERNED,
you don't know anything,
The Big Bang Theory Season 10, Episode 1