![And I want you to know that
that is sincere. I do feel bad.
And I want you to know that
that is sincere. I do feel bad.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
And I want you to know that
that is SINCERE. I do feel bad.
The Big Bang Theory Season 9, Episode 13
![Okay. Now, see you look sincere
but your words are completely false.
Okay. Now, see you look sincere
but your words are completely false.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Okay. Now, see you look SINCERE
but your words are completely false.
The Big Bang Theory Season 10, Episode 6
![Not to Not to](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Not to "Sin City" but to "SINCERE city."
The Big Bang Theory Season 9, Episode 13
![I sense that's not sincere,
although I have no idea why.
I sense that's not sincere,
although I have no idea why.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I sense that's not SINCERE,
although I have no idea why.
The Big Bang Theory Season 3, Episode 11
![A, that was not a joke,
that was a sincere request.
A, that was not a joke,
that was a sincere request.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
A, that was not a joke,
that was a SINCERE request.
The Big Bang Theory Season 6, Episode 24