I have such DIFFICULTY
speaking to women...
The Big Bang Theory Season 1, Episode 6
Does he have DIFFICULTY
maintaining erections?
The Big Bang Theory Season 9, Episode 23
That's even factoring in your DIFFICULTY...
The Big Bang Theory Season 4, Episode 9
I'm having some DIFFICULTY bonding
with a colleague at work...
The Big Bang Theory Season 2, Episode 13
You may not realize it, but I have DIFFICULTY
navigating certain aspects of daily life.
The Big Bang Theory Season 6, Episode 8