[He's still muttering to himself, wringing his right hand with his left, frowning. Peter would disapprove of all this. He'd be worried, wouldn't he? Even if they'd been through a rough patch, he'd still be worried... Or so Walter hoped. And what about Olivia? Her powers were... And then the world itself? September wasn't there anymore to protect them. If something were to go wrong...]

...I'd never forgive myself.

[Oh, did he say that out loud? He looks up, confused.]

But yes, no, I have to walk my own path. There's only one for me to take and I can't step off it now.