With Cathleen losing her wits and falling asleep at the last minute, everyone still has to wait to know the reason behind her uncalled-for arrival.
Zen didn't respond as cold-hearted as he did when it was Dave who appeared, though he was still wary of the possibility that she was with the enemies. Since he didn't have any means of contact with her and she wasn't in the military before, he didn't get to see her again as much as he did in high school. He did get to learn that she entered a field that had to do with keeping tracks of different kinds of records.
