The Post Office Queue (Part 2)

The more pain she endured, the harder her heart got when it came to her family. She still sent them money, though she didn't increase it even if her salary did. 

Things changed when she finally gathered the courage she built up for years, telling them she wanted to stop and to let her go home. She even told her how difficult life was for her.

In response, they went on about her ill brother needing treatment money. If she stopped now, then he would die. 

However, when she told them she had learned a lot from the City and could perhaps help heal him, they still refused to allow her back.

That was when she started to question things and sent a letter to an acquaintance there—she did not have friends—to ask how her brother was. 

She made it seem like they had an argument and would prefer if she didn't say anything, which would be unlikely because that person was also very low-key.