[...wow.]

You're pretty close to that, actually! You can't really see them, because we're talking expressions in more dimensions than we can perceive at once. But they ARE there, and they mark the very edge of our reality and the beginning of a theoretical "borderworld." Mine, yours, they all probably have one.

Don't ask me what they look like. It's doubtful anyone will ever actually get to see it.

[...if only he knew.]