I have such DIFFICULTY
speaking to women...
The Big Bang Theory Season 1, Episode 6
Penny, are you experiencing
some sort of DIFFICULTY?
The Big Bang Theory Season 2, Episode 3
Does he have DIFFICULTY
maintaining erections?
The Big Bang Theory Season 9, Episode 23
but DIFFICULTY initiating a
urine stream could be a symptom
The Big Bang Theory Season 5, Episode 17
That's even factoring in your DIFFICULTY...
The Big Bang Theory Season 4, Episode 9