[He's not surprised that she asked and its only right to tell her]
Both myself and the person I went with were part of the reason everything happened to her back in our world. And Hiling has caused problems for them here, but she's doing better now. I moved out because she was causing problems, but now that she's doing better, I've started spending more time with her again.
She... my twin, didn't like that I was spending with her after I moved out.