The context of the following conversation is Kai shined a flash like at their friends but turned it away because it got in their eyes.:
Kai says I just got the torch I lent to a friend back..
The friend responds The rays are brighter..
Kai responds Maybe he charged it..
The friend responds Oh, it was already bright. I saw when you shined it at your friends and they got half blinded..
Kai responds Yeah, you're right, it's a great torch..
The friend responds It is indeed..