Guard Hector:
Shh! Orders are not to say a word while on duty! Observe and protect, nor natter and ignore! 'Course, doesn't help that the Captain is standing right next to me....
See, if I were to stand up here an' chat away while I've urgent orders to keep an eye on the Ivory Tower, then what kind of guard would that make me? Eh? I'll tell you now - a pretty useless one! And another thing, I've been....