Rasa loka introduces taste. Alongside the literal experience of food, the theme can open a question about preference: what you seek, what you dismiss and how quickly a judgment forms.
Familiarity can make enjoyment easy, but it can also narrow what you are willing to try. Novelty has its own appeal and its own limits. Neither a refined preference nor an appetite for new experiences establishes greater spiritual worth.
Consider something you enjoy without needing to justify it. Then consider a preference you have inherited or repeated without much attention. You do not have to change either one; simply noticing the difference may help you make a more deliberate choice.