The service and food industry can be one of the most stressful and emotionally exhausting ones to work for, but that doesn’t mean that it’s not one of the most fun ones!Check out some of the most hilarious, brilliant, and absolutely adorable things that these bartenders and waiters have done for their customers.From wearing Yelp review comments on their staff shirts, to making cool coffee art with milk, to writing hilarious comments on the bill, there’s no doubt that these people will have…