He knew and she also knew that that was the work ly thing that had kept the alive this farm if they both allowed the spirit of fear to paralyze and stop them from moving, perhaps they could have joined the zombies a long time ago.
At this point she was very happy that he had taken her with him when everything began, if not she would have been in a very big mess at the moment. Maybe she wouldn't wouldn't know what would have been going on by now.
Perhaps the only thing she would have known was just living and that alone. She didn't joke with the fact that she was so lucky to still be alive up to that point. But anyway he still didn't give up. He still had things to do and those were the things things he had in his mind, but there were still suicidal thoughts hovering somewhere at the back of her mind.