Relationship with Demyx.
"It started not long after my induction into the Organization. I was the new guy, and he the one who vacated the position so that I may fill it. He seemed a beacon of optimism in the world of perpetual darkness which I had been absorbed into. Over time, I remember growing amused by his antics, by his music, and intrigued by the dark side that he hid from us all.
"One thing lead to another, I suppose. And we became comrades. We grew close. That is no secret. I regret none of it."