Intimacy in any form
has been CHALLENGING for me,
The Big Bang Theory Season 9, Episode 11
I know what a CHALLENGING man he could be,
The Big Bang Theory Season 9, Episode 14
- Just as CHALLENGING.
- Yes.
The Big Bang Theory Season 10, Episode 5
Being your girlfriend is so CHALLENGING.
The Big Bang Theory Season 8, Episode 24
It really doesn't matter
as long as it's CHALLENGING.
The Big Bang Theory Season 10, Episode 22