Katniss' movements are tense - the complete opposite of how she normally is in the woods. It's subtle, but there, and it's a sign that she hasn't quite forgotten about that moment. She's not sure if she ever truly will, or even if it would be right to forget. But those are debilitating thoughts that stop her in her tracks for hours at a time, so she shoves them away. Katniss moves into the place that Gale's pointed out, breathing in the scent of the trees around them.