[ Erik breathes in and lets it out slowly. He doesn't want to get angry. Charles' optimism is as seductive as it is relentless and it goes against every instinct he has. Instincts that have kept him alive against impossible odds. Instincts that have kept them both alive. ]

I have tried. And we haven't made it work. You can't walk because of it. We agree up to a point, and where we diverge is where all the problems lie. And everybody else agrees with you. I can't. I know when I've lost. And I'm leaving you to it.