Okay, that's it.

[ He has to draw the line somewhere and being told he's old (despite being entirely true) is where it's at. Draco takes one big step forward and swats at Lir, aiming only to smack the sword away from him. He's irritated, not murderous. ]

I will not be spoken to like that by some witless lordling or knight or whatever it is you are! I am still entirely capable of eating you right here and now and not a single soul in all the lands would come looking, so have a care as to what you say!