A restaurant is the go-to choice for many couples, which means that waiters have seen it all when it comes to romance. Lasting relationships, steamy one-offs, and…truly horrific attempts at “dates.” From botched proposals to embarrassing revelations, these are the biggest disaster dates servers have ever witnessed. 1. No Big DealI was bartending at a restaurant in San Francisco, and this guy came in and ordered a martini. He downed it and then ordered another one. Halfway through his third, I finally understood the horrific situation. He called his wife, abruptly asked her for a divorce, and…