![but the truth is,
Amy is just as challenging.
but the truth is,
Amy is just as challenging.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
but the truth is,
Amy is just as CHALLENGING.
The Big Bang Theory Season 10, Episode 5
![Intimacy in any form
has been challenging for me,
Intimacy in any form
has been challenging for me,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
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,
I know what a challenging man he could be,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I know what a CHALLENGING man he could be,
The Big Bang Theory Season 9, Episode 14
![](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
"The CHALLENGING
climate of Scandinavia
The Big Bang Theory Season 12, Episode 23
![- Just as challenging.
- Yes.
- Just as challenging.
- Yes.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
- Just as CHALLENGING.
- Yes.
The Big Bang Theory Season 10, Episode 5