[He's not still out by now, because the sun has long set. It got sort of cold, so he eventually came in. But he's not in the apartment- he's in the kitchen. If she noticed him before knocking, then he's in there scooping out some ice cream.
If she didn't, then he glances into the hall at the knock. And cough to alert he's there]
[ action ]
If she didn't, then he glances into the hall at the knock. And cough to alert he's there]