change your tune
Meaning: If you change your tune, you change your opinion about something or your attitude towards someone.
- At first Bill was against selling the rights to his book, but he changed his tune when he realized how much money he could make.
- Kelly was quite rude to me at first, but she changed her tune when someone mentioned how wealthy I was.
The prime minister wasn't polite to journalists at first, but he changed his tune when he realised