Do your best to show her affection, anonymous. Give her a gift of a new toy or a treat, apologize, and offer to help her train. You’ll be surprised at how easily a pokémon will trust the sincerity of a trainer they love and respect if that trainer apologizes to them. The important thing is to reach out to her now, as the longer you wait, the more she’ll think you really don’t like her new form, which will make it a bit harder to apologize later.