There's something she's not remembering, she's sure of it.

Being Mr. Johnson's personal assistant is a big job. He'd forget his own head if it weren't for Caroline, he's said it himself. It's flattering, if foreign. Though a scientist, she's never been so important before. Some days she feels like she's just a secretary, but she's so much more than that.

He's told her that she is the beating heart of Aperture. It makes her head a little light to think about. What a lofty thing to be called.

She swears she's forgetting something, but it's not something of his.