[That...sounds like Flynn might know from experience, but Peter doesn't prod. If Flynn wants to talk about it eventually, he will. If Flynn feels as bad about it as he himself does now, he really doesn't want to prod.]

I wish I could. Fix it, fix everything that went wrong.

[Just a wish. He looks back up though, when Flynn says We're just human, Peter. Even when we're half-planet.]

...but I want to be better. She can help me be better.