It's expected that you mind your own business.
Sandra is riding a bus back home and overhears some passengers quietly talking about issues with their boyfriends.
Sandra wants to be entertained on the way home.
Sandra gets her headphones out and starts watching some shows on her phone.
Sandra starts talking to the other passenger, gives them advice about their boyfriends, and talks about her own experience.
Sandra gets to finish her show and the other passengers continue their conversation in peace.
The other passengers make a face at Sandra and ask her to stop eavesdropping.