"Is that so..." Athena said, trailing off as she turned the possibilities and implications over in her mind. There were numerous political components to what he had said, and perhaps within that lay the reason behind Amaterasu's brother's attack, but all the same she couldn't help but focus on the most important part of his words: 'Happy.
Amaterasu made Triton happy.
And now that she was no longer here, he was doubtlessly blaming himself and -- she stopped the spinning of circumstances and consequences for one moment, willing first to listen to what else he had to say.