"What about now? What's so secretive that you can't tell?"

Sarah still wasn't satisfied and she wouldn't be until Jack gave her a straight answer with detail. All these vague replies simply just made her even more curious. She sighed again, giving him a rueful grin.

"I do work for UNIT, you see. In a way. So clearly, I must have some capability of keeping secrets. I just, oh, I want to know," she finished, stressing the last word with another exasperated sigh.