She's afraid of the possibility of giving you her heart then losing you. She's probably lost someone before and is too scared to take that chance again. But... if she can admit that, she might love you too much already. So that's why she backed away. Fear.
[text]
....Maybe. I mean- I don't know. Well. Yeah, kind of.
She said.... she could fall in love with me for real, so she didn't want that. So I'm..... TOO nice? Is that it?
[text]
No, it's nothing you did wrong.
She's afraid of the possibility of giving you her heart then losing you. She's probably lost someone before and is too scared to take that chance again. But... if she can admit that, she might love you too much already. So that's why she backed away. Fear.