Eating out is one of life’s simple pleasures — if you’re the customer, that is. Whenever you walk into a restaurant to have a meal, there’s a whole host of people working behind the scenes to make sure your every need is catered to. In return, it’s important to show your appreciation for this, including everything from your manners to how much you tip . However, how far we should take our eating out etiquette can be a contentious subject, as one video has recently proved. After going for a meal…