Anna's limbs were starting to feel heavy. The more blood she lost, the harder it was to walk. But she wasn't going to let him carry her. She could see their little circle of houses. And as long as Cas, Jo, and Dean didn't see her out the window, they could make it there. She was sure she could. Although it was getting harder to pick up her feet. She was pretty sure she would collapse as soon as she got through Heather and Tony's door, but at least she would make herself get that far.
Instead of talking to Robin, Anna decided to put her focus into walking. She wanted to tell him to avoid her house, to make sure no one else saw them. But it was better not to expend energy trying to talk. She just kept walking, despite the fact that it felt like the house was getting farther away as her body got weaker.