Why does Sophie feel a tightening in her throat while looking at her mother?

Sophie feels a “tightening in her throat” while looking at her mother because she is afraid her mother will dismiss or criticize her dreams. Sophie knows that her mother is practical and likely to view her fantasies as unrealistic or childish. This emotional reaction reflects Sophie’s vulnerability and her deep desire for approval, especially from her mother, who represents the harsh reality Sophie is trying to escape. The tightening in her throat signifies the internal conflict Sophie feels between her dreams and the fear of them being shut down by her mother’s rational perspective.

This question related to Chapter 8 English Flamingo Class 12th NCERT.
From the Chapter 8: Going Places.
Give answer according to your understanding.