Scully: You knew they wouldn't believe you, why did you push it?
Mulder: Maybe I thought you caught the right guy. And maybe I run into so many people, who are hostile, just because they can't open their minds to the possibilities, that sometimes the need to mess with their heads, outweighs the millstone of humiliation.
Scully: It seems like you were acting very territorial, I don't know, forget it.
Mulder: Of course I was. In our investigations, you may not always agree with me but at least you respect the journey. And if you wanna continue working with them, I won't hold it against you.