She saw herself riding in the passenger seat, Sam behind the wheel. Like two of those little peg people in a toy car. Husband peg, wife peg, side by side. Facing the road and not looking at each other; for why would they need to, really, having gone beyond the visible surface long ago. No hope of admiring gazes anymore, no chance of unremitting adoration. Nothing left to show but their plain, true, homely, interior selves, which were actually much richer anyhow.
