![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
![- Just as challenging as you?
- Yeah...
- Just as challenging as you?
- Yeah...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
- Just as CHALLENGING as you?
- Yeah...
The Big Bang Theory Season 10, Episode 5
![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
![Being your girlfriend is so challenging.
Being your girlfriend is so challenging.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Being your girlfriend is so CHALLENGING.
The Big Bang Theory Season 8, Episode 24
![Oh, we'll make the puzzles
extremely challenging
Oh, we'll make the puzzles
extremely challenging](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Oh, we'll make the puzzles
extremely CHALLENGING
The Big Bang Theory Season 9, Episode 8