I know this one! I was just re-reading it the other week smile It's Between Floors 7 and 8 by Jessi Mounts, and it's really an adorable story.

Okay, it's taken me ages to find something, and I hope someone hasn't already used it:

Quote
Scardino's stomach lurched in a way he hadn't felt in quite a while. In fact, he'd not felt anything quite like it since Lois had thrown him over in favour of that do-gooding boy scout, Clark K-

No, he thought. He wasn't going to think about that.

He concentrated on the woman he'd just spotted, felt that delicious lurch again, and decided that it was enough to say that he hadn't felt anything quite like since Lois. (Well, there had been the incident with a dodgy prawn vindaloo last month, but that had been less of a lurch and more of a roil, and Scardino was pretty certain that didn't count.)
PJ

"You told me you weren't like other men," she said, shaking her head at him when the storm of laughter had passed.
He grinned at her - a goofy, Clark Kent kind of a grin. "I have a gift for understatement."
"You can say that again," she told him.
"I have a...."
"Oh, shut up."

--Stardust, Caroline K