When it comes to bars, there is an entire section of unwritten rules people usually follow to avoid uncomfortable situations or piss off other patrons, and one of them is to wait patiently for your turn to order. According to Good Cocktails, “When the bartender is busy, don't try to cut in by yelling, "I just want a water!" Why should the bartender stop serving the paying customers in order to serve a person that only wants a free glass of water.” But when you about it, why should the bartender stop serving a customer just to take your order even if you’re paying?