He gives Lucius a you are SUCH a prat look, carefully overlaid with long-suffering omgwtfbbqness. "Remind me not to take you up on your offer, then, if you think it's ordinary behavior to check about every little thing like cementing wards and tooth-brushing. Although I suppose you would want to be asked whether someone ought to scrape their boots, coming in, in case you had an elf wanting discipline that day. Still, it all seems exceedingly fraught."