Sheep knew Carl well.
Karl has always been like this, showing absolute indifference to things that he has no interest in or benefit from. Maybe he should have snickered after adding a few sarcastic words without bad intentions.
Strictly speaking, Sheep and Karl were not friends, nor could they be defined as acquaintances. At most, they could only be said to have known each other for a long time, but in fact Karl never paid Sheep any attention.
Conception: