Maybe a story about Didi could be that Didi and I were volunteering at an animal shelter. We took care of the cute puppies and kittens, feeding them and cleaning their cages. It was a very fulfilling experience with Didi.
There are many great Hindi stories. For example, the story of Panchatantra which is full of moral lessons through the tales of animals. Another is the Ramayana, which tells the story of Lord Rama's journey, his virtues, and his battle against evil. And the Mahabharata, a vast epic that encompasses many sub - stories about family, duty, and the consequences of actions.
No, it is not appropriate. In Hindi culture, relationships are based on respect and propriety. Having sexual relations with a bhabhi (brother's wife) goes against the traditional values of family and morality.
There are many great Hindi stories. For example, 'Panchatantra' which is full of moral lessons and interesting animal fables. It teaches us about wisdom, friendship and survival.