(your eraser) pen was being stuffed by you. You showed him a slice of cake you can tell he looked a bit stuff but his belly was still small just a little. Pen had a little sweat he looked a bit full but you know you can handle more or could you?

"E-Eraser. I think I'm a bit stuffed.. don't think I should eat that slice of cake.heh.

He says as he pats his belly