... I had a decision to make, Roxas. I didn't want to leave you, or Axel ... but Riku told me I couldn't just make a decision that was right for me, but right for everyone. And ... because of what I am, I was draining your power. You were getting weaker...

[ it's obvious on her face that she hates talking about this. but the words keep coming, almost against her will ]

I knew I had to leave, but ... you would have tried to stop me. So I couldn't tell you... I'm -- I'm really sorry, Roxas. I had to do what I knew was right.