When her hand touched his, he didn't jump, persay, but he did immediately look down at their hands, then back to her and he tensed up just out of surprise, but then noticeably calmed himself, letting out a breath as he watched her, listening to her talk as he grinned at her. Tilting his head to the side, "You're right, of course, it's not impossible. I just, you know, like to worry to the point of disability."
He chuckled, then tilted his head to the side, watching her and her eyes for a long moment, then raised a brow, "All flirting? Well then, I must be pretty good at flirting when I don't realize I'm doing it... and alright, for the whole evening. We can go for a long walk, stroll through London together. I don't know how much of it you've seen since coming here, after all."