[He's purposefully left it late, perhaps waiting for the kind of implicit invitation laid out with a post to the network. Worried, after last time, that it wouldn't come. It doesn't seem impossible, or even unlikely, to think that his last, desperate visits have left her dreading more. Still, there are a few hours left to the evening by the time the knock comes at her door.]
it seems that all my bridges have been burned, but you say that's exactly how this grace thing works