Oenone, you wished that you were the reason Kamille was having this attack. No, the fault lied within Kamille himself. His mind was attacking itself, his psyche collapsing at the very thought that someone might actually give a damn about his emotional well-being beyond simple friendship.

FATHER HATES US, MOTHER IS APATHETIC AT BEST, FOUR DIED, AND YOU FUCKED IT UP WITH SORA! YOU HAD TO GET TOSSED INTO THE OCEAN TO GET IT THROUGH YOUR HEAD THAT YOU FUCKED UP! FACE IT, YOU'RE WORTHLESS AS AN ENGINEER, YOU'RE WORTHLESS AS A HUMAN BEING, YOU'RE WORTHLESS AS A MOBILE SUIT PILOT! JUST DIE! DIEDIEDIEDIEDIEDIEDIEDIEDIEDIEDIEDIEDIEDIEDIEDIEDIEDIE-

Shit, his heart is going into cardiac arrest-!