The princes's actions made princess Ellen convinced that she had indeed done something to irritate him but she could not tell what.
She wondered if it was because she was staring at him earlier or the fact that she had deliberately ignored his question about them becoming intimate. Prince Sébastien withdrew his arm and was ready to walk away but princess Ellen suddenly took his arm.
She did not want him to be mad at her, no she could not afford him being mad at her for any reason. So she was determined to find out what she did wrong in order not to make the same mistake in the future.
"your highness... Princess Ellen called but seeing the sharp look he gave her, she swallowed the rest half of her words. She did not need him to remind her that she has addressed him wrongly. She remembered the prince previously told her not to call him your highness and so she immediately corrected herself.