well this is a tougher battle then it looks yes surely on first hand it would apeer that dark phoenix would just be evil and freud would talk alot about the anus
however i remind you that jean was able to contain the powers of the phoenix for a while through mental blocks surely all he needs to do is confront those mental blocks.
but then he would get into greek mytholohy and he would be screwed especialy if he relates it to jean and xavier.. xavier been a pedophile