There’s short-term and its 7±2 little cubbyholes (well, -2, honestly), and then there’s long-term and its swarming depths, its endless opportunities for recrimination. But in between lurks a zone of Heisenbergian instability, like the part of a drain one can reach but not see. It’s murky down there. You could as easily rake up a fistful of glass as a goldflake, or flail for an hour and find neither, and you never know when it’s going to get flushed.

And that’s where ideas go when you don’t write them down, Jake reminds himself, scowling at the stupid bus window.