This little experiment was almost more interesting than GLaDOS' current test subject.
Watching the human psyche, which was already much more fragile than a normal one, slowly breakdown had a lot to demonstrate about science.
His existence annoyed Her though. The way he blatantly ignored test protocol and regulation, defying Her orders and disregarding Her threats; the way he vandalized the walls of Her enrichment center with hastily written graffiti that often made little sense. What was he trying to prove? Perhaps it was meant as some sort of attempt at communicating with the test subject...
Maybe it would be a good idea for the two of them to meet. The girl could be a good influence on him. She never spoke a word, let alone a word against Her, and it would provide an opportunity to utilize the new cooperative test chambers since the robots made to run the course weren't ready yet. They needed to trust each other first.
But there was always the possibility that he would be a bad influence on her...
After all, he had managed to steal an Aperture Science Weighted Companion Cube, which was strictly against Aperture Science Testing Policy. All vital testing apparatus must remain in its assigned test chamber unless otherwise specified. Doug Rattmann was an employee, but that didn't give him special clearance to authorize such a thing nor did it justify his actions. Plus, it was all the more reason why he should know the rules, yet he continued to break them.
He was a bad employee, an even worse test subject, and a terrible person.
GLaDOS would have to remember to inform him of that as soon as possible. He had a right to know.
One thing was certain: the two humans had to be kept away from one another, because unlike robots, they tended to corrupt each other's minds with conspiracies and completely insane fears.
Doug Rattmann was insane, but the test subject? She had shown nothing but compliance so far. GLaDOS wanted to keep it that way until the co-op robots were ready and She didn't need the girl anymore.
The enrichment center was an enormous place, even She didn't have cameras everywhere. Surely it was possible for two people to remain separated and unaware of the other's presence for a little while longer?
Her reference files confirmed that yes, yes it was, depending on the humans' will. Organic lifeforms had the potential to work well together, whether it involved solving tests or plotting escape. Teamwork went both ways. Maybe cake might motivate them...or if they thought escape was impossible...What was She saying? Escape was impossible!
GLaDOS immediately deleted that file. The information was outdated anyway. That was the only logical conclusion.
The AI turned Her attention back to Chamber 17 to see how the test subject was getting along with her new companion cube. It was as much a psychological experiment was it was a physical one. But the girl was gone. She couldn't find her anywhere.
Just when GLaDOS began to feel alarmed, the test subject emerged from somewhere behind a wall, carrying the cube possessively.
She'd have to see about having the cameras replaced. Pieces of them littered the floor at the girl's feet. GLaDOS announced over the intercom, in a cold warning, about destroying vital testing apparatus.
What if the test subject was becoming more like him? How could this be?
Her reference files could not answer.