Because Pinkman says
he needs you too much.
Breaking Bad Season 4, Episode 7
...BECAUSE I refused to urinate in
a stainless-steel bowl in front of criminals.
The Big Bang Theory Season 3, Episode 16
It's funny BECAUSE bread sounds like dead.
The Big Bang Theory Season 6, Episode 5
Because I'm the one who had it towed.
The Big Bang Theory Season 6, Episode 9
Because they make up everything.
The Big Bang Theory Season 11, Episode 15