I knew that sound well, too.
Kristen decides to join David's team permanently.
Defying the wishes of an evil person doesn't always result in outright evil actions back to you.
He shrieked once — once only.
In other words at 8 hz one is an operating supercomputer, or congressing towards Superconsciousness.
They aren't ever sorry for the things they do and the way they make you feel.