The context of the following conversation is Kai played a prank on their parents because it was the first of April and it was their tradition.:
Kai says Guess what today is?.
The friend responds April 1st?.
Kai responds Yup! I just pranked my parents and they got so mad at me! They should know better as it's a tradition..
The friend responds Oh no! What did you do this time?.
Kai responds I switched out the sugar with salt. My parents spit out the coffee when they tasted the salt!.
The friend responds That's not nice. You better not prank me!.