The hand on her arm did indeed stop Sarah in her tracks. She did not try to fight him. Rather, she watched his expressions as he talked, noting the sudden changes in mood so easily.

"You just what, Doctor?" Sarah Jane asked quietly, her inquisitive nature once again getting the better of her. She never did like sentences left dangling. Nor did she like him acting like this. It went far beyond the arrogant Timelord bit to something else.

"I... oh, I appreciate the words, that she would have liked it if I..." She gestured to the dress she wore. "But if it makes you uncomfortable, it's...it's alright. That's the last thing I want to do and you flippin' well ought to know that by now."