How did the narrator resolved to forget the address ?

The narrator comments that forgetting the address would be the easiest part but the memories of their past and the belongings which were markers of their past would remain indelible in her memory. She did not want to remember the place,she could not go back to this place because the objects that were linked with the familiar life of former times had lost their value for her. They had been severed from the associations that she had with them in an unfamiliar location. Also,they would not have found a place in her small apartment. To forget the things of her past would require a momentous effort due to the associations that these things held for her but she would have to do it. In this process forgetting the address would be the effortless part.