Probably no helping the pet's optic thingies, given that they're cracked all to hell, and kind of grimy to boot. But A+ for the effort of suggestion!

Eventually the carousel of pain and glowing drool ended, and it ended something like this:
There was a "Bleeeehh," sound, and the pet spat out the non-treat in a slow-mo drop coated in thick animal saliva... at Tarn's feet.

Tarn just looked down, and he looked unimpressed. Well. Probably. Hard to tell with the mask and all.