Artificial intelligent assistant

What does "mirror in my bathroom" mean? In the following passage from _Lonely Man Full of Love_ by Mauro Mevlud Martino, what does "mirror in my bathroom" mean? > A: ‘’Are you quieter and lonelier than me, Rachel?’’ > > B: ‘’Perhaps, Martin. Perhaps. I want to be good to myself. **I have a mirror in my bathroom.** ’’ > > A: ‘’I think the main character in my novel Weeping Willow Trees was you.’’ Does it literally mean that she (B) has a mirror in her bathroom? Or does it mean that she spends most of her time looking at the mirror? Or does it have a connotation that she (B) suffers from narcissism?

My simplest interpretation is that Rachel mentions the mirror as providing a literal second person that she can meet, because that is being 'good to myself' compared to her previous experiences with real people; "...if I feel lonely I can alway talk with my reflection". This seems a tragic-comedy, sarcastic expression overall, perhaps ironically hiding an appeal to Martin to help her try a relationship again. I also feel that this mirror-idiom is so bleak that it emphasises the degree of loneliness that she really feels.

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