[He's very impressed, he's had to give regular handshakes to people so a proper knight arm thing is comfortable and a nice change.]
Your feeling's likely right. It seems I've missed quite a lot. [Which is weird and something that doesn't sit well with him -- being with the knights and Arthur and Merlin pretty much 24/7 for the past years has made him unaccustomed to any of them having too many big stories he hasn't heard of... so this is an adjustment.]