After the idea of human testing was brought up, Aperture was never the same. There was much more stress and productivity. I loved it like never before.

Cave was always making these "pre-recorded messages" that he put in the spheres that were made for testing. One day, when I was very busy with something, he told me to "Say goodbye, Caroline" and I stupidly said "Goodbye, Caroline." I blushed as he grinned impishly at me.

Aperture became busier and richer, but something seemed amiss. I felt... different. But that comes along later in my history.

One day, at a meeting, Cave brought up another...