What is Miss Brill's self-image and what attitude does she have towards herself?

Miss Brill sees herself as having a part in the Sunday concerts that she attends. Further, she is not realistic about herself as she engages in interior monologue.

Miss Brill feels that she is an integral part of the audience because

[S[he had become really quite expert, she thought, at listening as though she didn't listen, at sitting in other people's lives just for a minute while they talked round her.

Perceiving many of the...

Miss Brill sees herself as having a part in the Sunday concerts that she attends. Further, she is not realistic about herself as she engages in interior monologue.

Miss Brill feels that she is an integral part of the audience because

[S[he had become really quite expert, she thought, at listening as though she didn't listen, at sitting in other people's lives just for a minute while they talked round her.

Perceiving many of the audience and herself as actually actors in the "play" which she envisions, Miss Brill also ironically detects her own qualities in those who are of her age group. When she views the people who sit on the benches and green chairs, she remarks to herself that they are

...odd, silent, nearly all old, and...they stared as though they'd just come from dark little rooms or even--even cupboards.

When the band plays, her emotions accompany them and she feels "something beautiful," something the audience understands, although what it is that they understand, she can only imagine.

With the arrival of the young lovers, the illusions of Miss Brill are destroyed as she overhears  the cruel remarks from the young couple. Afterwards, she feels that the delight and magic of the concert are gone, and she trudges home with a defeated spirit. Whereas on Sundays she normally stops at the baker's, this day she avoids it and climbs her stairs,

...enters her dark room--her room like a cupboard-- and sits upon her red elderdown. She places her necklet of which she has been so fond quickly in its box without looking at it.

The spell of the concerts has been broken for Miss Brill. Now, she imagines that she hears crying as she replaces the lid on the box containing her little anachronistic fur piece which holds no illusion for her.