
Penny, are you experiencing
some sort of DIFFICULTY?
The Big Bang Theory Season 2, Episode 3

I have such DIFFICULTY
speaking to women...
The Big Bang Theory Season 1, Episode 6

You may not realize it, but I have DIFFICULTY
navigating certain aspects of daily life.
The Big Bang Theory Season 6, Episode 8

that you have DIFFICULTY
being close with her.
The Big Bang Theory Season 7, Episode 21

That's even factoring in your DIFFICULTY...
The Big Bang Theory Season 4, Episode 9