I think the normally even-tempered, long-suffering Knee is starting to show signs of stress, cooped up with Itchy all day.

Wishing you all good health.

↓ Transcript
Itchy: I bought us apples!
Knee: great!
Itchy: Would you like to share mine?
Knee: that is kind, Itchy! But cant I have my own?
Itchy: Hm, this is the last one
Knee: So technically speaking, I think /you/ are sharing /my/ apple.