The context of the following conversation is Alex waited a long time to get dinner, and was sick to the stomach by the time it finally arrived.:
Alex says I had a very bad experience at a restaurant today..
The friend responds What happened?.
Alex responds I waited a very long time before my dinner arrived. I was so sick to my stomach..
The friend responds I hope you gave them a bad review online?.
Alex responds No I haven't..
The friend responds You should, to protect other customers..