Cassandra Clare said this quote

I was trying to go... somewhere. But I kept getting pulled back here. I couldn't stop walking, couldn't stop thinking. About the first time I ever saw you, and how after I couldn't forget you. I wanted to, but I couldn't stop myself. I forced Hodge to let me be the one who came to find you and bring you back to the Institute. And even back then, in that stupid coffee shop, when I saw you with Simon, even then that felt wrong to me-- I should have been the one sitting with you. The one who made you laugh like that. I couldn't get rid of that feeling. That it should have been me. And the more I knew you, the more I felt it-- it had never been like that for me before. I'd always wanted a girl and then gotten to know her and not wanted her anymore, but with you the feeling just got stronger and stronger until that night when you showed up at Renwick's and I knew. And then to find out the reason I felt like that-- like you were some part of me I'd lost and never ever knew I was missing until I saw you again-- that the reason was that you were my sister, it felt like some cosmic joke. Like God was spitting on me. I don't even know for what-- for thinking that I actually get to have you, that I would deserve something like that, to be happy. I couldn't imagine what it was I'd done that I was being punished for--