“I’m beginning to think of myself as the most unreliable narrator of all,” muses Rebecca Toh. Having just today finished up Your Brain Is a Time Machine and been reminded of the degree to which our unconscious mind is mediating—editing, really—our sensory experiences before passing them along to our conscious mind, I’d think it’s safe to say that each of us is the most unreliable narrator of all, but we’re all we’ve got.