
His imaginary GIRLFRIEND
broke up with him.
The Big Bang Theory Season 1, Episode 2

Being your GIRLFRIEND is so challenging.
The Big Bang Theory Season 8, Episode 24

Oh, um... if you could help
out with me and my GIRLFRIEND.
The Big Bang Theory Season 5, Episode 6

Okay, I got it.
She's not your GIRLFRIEND.
The Big Bang Theory Season 4, Episode 3

I was thinking that, um, maybe I'm ready
to be your GIRLFRIEND again.
The Big Bang Theory Season 9, Episode 9