"I know what you are," she said. Her voice was small, but determined; her wide, earnest eyes gazed fearlessly up into his cool, hooded ones. She swallowed before continuing.
"You're impossibly fast, and strong. Your skin is ice cold . . ." She trailed off, watching for his reaction.
"Say it," he commanded, quietly, but with dangerous power behind his words. "Say it!"
"Time Lord," she whispered, managing to hold her wide-eyed earnestness for a second more.
Then her mouth twitched, and so did his, and they were falling against one another, partly for a hug and partly for support as they howled with helpless laughter.
Jack rolled his eyes as he downed the last handful of popcorn. Then he scanned the theater lobby nervously. He crumpled up the popcorn bag, pitched it effortlessly into the waiting receptacle and then started trying to herd his (still laughing) companions in the direction of the door.
"Can you save it for the parking lot?" he said, irritably. "Some of those ladies are giving us scary looks. I swear, I'm never going to another romantic movie with you two again -- you were acting like teenagers the minute the lights went down. I don't think I've ever been so embarrassed as when you started making kissy noises at the screen . . ."
"Oh dear," Rose gasped. "We've embarrassed Jack. I didn't even know that was possible!" She was still breaking into giggles as they walked.
"Well, you know, all it takes is the suitable application of my Time Lord powers," the Doctor said, visibly controlling snickers as Jack propelled them both outside.
"Ooooh," Rose cried in delight. "Sunlight! Now you can sparkle at him!"
They broke into a new round of hysterical laughter.
"That does it," Jack said with a final eyeroll. "Between here and the TARDIS, I don't know you anymore."