Most of your customers will be happy to leave 5 star reviews, but what about unhappy customers?
1st let's pretend that our food arrived late, give them a 1 star review! Most people will leave a comment and wait to see if someone contacts them. You are immediately notified of all reviews.
Refresh your screen and leave a 5 star review. Notice that only 4 and 5 star reviews are taken to Google or other major review sites.