Blinking in surprise at being booped on the nose so indignantly, the cat bats (claws in) at Rat's finger. A little respect, please!

Petting down his back, Grey smiles again. In that moment, the cat once again reminds him of Edgar.

Haughty look in place, the cat lays down his head again. As long as the mouse kept in his own space, they'd be fine, he seems to say.