Notice? Notice what? Kanan's attention was on a few very specific things, like the way the world was falling away underfoot and the sounds coming from Sarah's throat - not that he was paying attention to more than the fact that they were - and the way she felt around him and how there was very definitely an edge and he was falling over it, too, all while managing to remain upright. He was tangentially aware that upright was still a good direction to be pointing, at least.

Vaguely, somewhere far away, the rest of the world existed. And in a few moments it came drifting back, consisting first and foremost of Sarah, who was getting another, somewhat more lazy, appreciative kiss, just in case she was wondering how he'd liked all of that.