Harry Percy does not skid and crash into his wife. But there may be some ecstatic chest-bumping into her shoulder.

She's had a long time to familiarize herself with his smell; now he's taking his chance to learn hers, bumping his nose against hers. So that's Kate. He doesn't know the first thing about interpreting the smell, but he knows already that it's a good one.

Kate! Kate! He's alive! It worked! Kate!