If it was something more? Well, he'd never really thought about it. Well, he was lying, of course he had. He'd never taken his mind much off how much he liked Sherlock and he did find himself always talking about the other man to Rose. But that willingness to defend him was pretty lovely. His mind was so much on how brilliant Sherlock was that he'd actually stopped paying attention to the road.

Snapping himself out of it, he smiled softly and toyed with the steering wheel, not sure how to respond himself. Well, without sounding somewhat like Donna and embarrassing himself or something.

"Then-- well, I don't think, you know, I'd be that offended. It'd be nice, flattering... Brilliant," he mumbled awkwardly, never exactly the master of all this romantic love stuff. He was a bit awkward actually, he never knew what were the right words to say. "Why? Was it... you know, more than it as?"