Turret sings 'Fireflies' to GLaDOS.

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...

As a young girl, I always loved science. While other kids were passing notes under desks, doodling in their textbooks, or just ignoring the teacher, I would be hanging onto every word, my eyes glued to the talker. When they would ask a question, my hand would shoot into the air. Language arts and math never really interested me, but science... glorious science...

I was bullied, too. "Hey, nerd," the nasty kids would sneer. "Was it you who was the idiot who discovered e=mc2?" Then they would push me into the locker and stalk away, laughing.

So my life continued. I went through my stages, going...