Lydia comes to see Mike and is less than impressed with the diner’s tea selections. She goes through a variety of different drink options and then settles on just having hot water and lemon, which she values over Lipton (black) tea. Consumer theory requires that consumers should be able to rank their preferences, which Lydia clearly does in this scene.
See more: consumer choice, preferences, ranking, subjective preferences, transitivity
The Economics of Breaking Bad 