
But surely a future Nobel Prize winner
can figure it out.
The Big Bang Theory Season 4, Episode 18

I do, BUT...
The Big Bang Theory Season 6, Episode 19

BUT I wanted to say that
Breaking Bad Season 2, Episode 10

BUT this is Stannis Baratheon.
Game of Thrones Season 2, Episode 9

BUT I just don't like children.
The Big Bang Theory Season 5, Episode 12