Sam. [Placating tone as he steps between the brothers before turning and frowning at Dean. Amnesia? Dean going senile?]
Since we first kissed during the mistletoe incidents. [Stops and looks to the side with a confused expression. Wait a minute. He remembers the kiss but now that he thinks about it--] ... I think? I don't recall how, but... [Trails off and shifts his eyes around searchingly. What was going on?]