He knew it right away, the second he got out of the taxi and saw the footprints in the snow. He had expected to see footprints in the snow, yes, because his wife was walking in front of him – while he carried their luggage.
He didn’t like seeing his wife’s footprints in the snow, either, but he had stopped raising the issue a long time ago. She just didn’t think it was important, not like he did. On the other hand, he didn’t think vacuuming was important. She did. For example.