Don't worry, Stella.

The Sarah-cat NEVER fights and Joseph rarely." "They'll have to fight here in self-defense," said Stella.
At this juncture Rusty arrived on the scene.

He bounded joyously half way across the room before he saw the intruders.

Then he stopped short; his tail expanded until it was as big as three tails.

The fur on his back rose up in a defiant arch; Rusty lowered his head, uttered a fearful shriek of hatred and defiance, and launched himself at the Sarah-cat.
The stately animal had stopped washing her face and was looking at him curiously.