The context of the following conversation is After he blew out the candles to kingdom come, Kai decided to eat cake and feed his cats.:
Kai says This cake is so delicious!.
The friend responds Your birthday cake is very yummy..
Kai responds I am going to share it with my cats..
The friend responds Aren't cats allergic to chocolate?.
Kai responds Not these cats, they love chocolate cake..
The friend responds You are funny Kai!.