Secondly, that no one except you knows who you are and that’s strength.
Thirdly, that everything that seems like the end of the world eventually becomes just a page. Sometimes important, sometimes funny.
I would tell her that she is beautiful. Even if she doesn’t feel it. That her voice matters. And that one day she will become her own support, not thanks to others, but in spite of everything. And then I would just hug her. And maybe she would smile, that 12-year-old me. And I would understand that in this meeting words are not needed. The main thing is to allow yourself to be yourself. At any age.