In many South Asian households, the relationship between a man and his (sister-in-law) is traditionally defined by "devar-bhabhi" style banter. It is often seen as a "sweet and sour" relationship. Cultural norms allow for lighthearted teasing and jokes.
. In social and romantic storytelling contexts, this describes a specific, often playful or flirtatious, relationship dynamic between a man and his sister-in-law. Core Relationship Dynamics Playful & Candid: sex sali biwi adla badli group stories new