Well I know it...... figured out the last line and then it was a dead give away.

Lois: Come on, you guys, it was nothing, really.
Jimmy: I still can't believe they thought you were a boy.
Lois: The mustache helped. And thanks for teaching me how to boost a car.
Jimmy: No problemo. To Lois Lane... still going where no reporter has gone before...

Being grown-up isn't half as fun as growing up, these are the best days of our lives, the only thing that matters is just following your heart and eventually you'll finally get it right! ~Ataris