Responses
She seems to have trust issues.. that's why she's having a second thought whether she should accept him or not. She just needs time to confirm it herself:) also you already know that she's reborn because of yol sacrifice for her and her past memories made her mentality unstable because of metal abuse she experience in those present future that happened to her before:) that's how she come to act this way I guess?
Mental-
She knew she had to get married so like why did she think that she would choose someone other than the duke. She likes him enough to go around kissing him and even got a promise of no marriage out of him earlier. Now suddenly though she has to marry somebody but he isn't her first option. Like what??? The way she dealt with the whole prince situation and him being creepy af but still not doing anything to prevent interactions was annoying but this is just ....