Backpedaling both literally and figuratively, Remus did his very best to speak politely and, hopefully, make up for his own reprehensible behavior. Despite the fact that he felt his blood run cold at the very sight of Sirius’ father. If this was what it felt like to die from mortification, he desperately hoped it would end soon. "You’re correct, sir. Allow me to apologize – I sincerely meant no offense."
It suddenly dawned on him that he was actually recognized by the him, which felt a little odd. Had they conversed before? Not likely, although he had caught sight of the imposing man when he brought Sirius to the train. The only logical explanation would be that Sirius must have mentioned him. Well, at least he could die a relatively content young man for his age.
"Er," he floundered for an awkward moment, looking a bit paler (if that were even possible). "Did you enjoy your summer, sir?" Nail meet coffin.