"I will hold you to that."

He purses his lips now to think though - what secret would satisfy her? He's offended her a fair amount. That means offering something worth the same amount of offence if used against him. None of the secrets he's keeping from Azem are appropriate - those could come out at any time. Withheld ancient knowledge doesn't feel suitable either.

"...I never liked sending the people of the Source to die," he finally says. "It felt like watching my own brethren perish over and over again."