["...pointless annoyance... completely incompetent... do everything myself..."
If Nasir has sharp ears, those are the fragments of Sebastian's muttering he'll be able to pick up as Sebastian comes closer. He doesn't care if most of his food goes bad - he can just buy more tomorrow sometimes he's not completely indifferent to his three jobs-montly income, but he was planning on serving poached salmon for Ciel's breakfast and that needs to keep until morning, so. Gathering materials for that it is. His poor nighttime schedule. And now he has company in the shadows, on top of it all...
(Note to self: tomorrow night will be spent reading about electronics.)]