I had a hard time wrapping my brain around this little sip thing too, and I am only about 6 days post-op but I am drinking out of 1oz medicine cups, finishing them in about 10 minutes..and that has helped me be more mindful of taking little sips. And today while in the car, I didn't have access to my medicine cups and only had my bottle of water and I found myself automatically taking small sips. It's all abotu retraining ourselves.. Maybe that will help for you?