Traveling abroad is used as a narrative device to signal a change in the sister-in-law's personality or "taste." Her return from overseas often brings a sense of liberation or a "modernized" worldview that clashes with or tempts the domestic household.
In a formal analysis, one might examine how the "abroad" element serves as a metaphor for the unknown or the exotic within a traditionally rigid family structure. The sister-in-law represents a disruption to the status quo , where her "taste"—refinement, clothing, or behavior—becomes a source of both admiration and conflict. Sister-in-law's Taste (2020) - Cast & Crew - TMDB
One of the most noticeable changes in her was her increased love for spicy foods. Before her trip, she was never one for extremely spicy dishes, but after trying some of the bold flavors of Southeast Asia, she found herself craving the heat. She would often add hot sauce to her meals or try out new spicy recipes, much to the surprise of our family and friends.