It's really satisfying and rewarding whenever customers tell me how much they love my drinks. Not that I make shitty drinks on a regular basis, but hearing someone tell me how happy they are with something I've created is an ultimate compliment as a bartender. These sort of things really put a huge smile on my face.
So when you're out drinking and stumble upon a really tasty, beautifully crafted and balanced cocktail that you enjoy and find amazing, don't be afraid to tell your bartender. We love stuff like that.