Based on a prompt from the kink meme: Charles had an abusive childhood (like in the comics, but worse) and when he finally got away, he repressed everything behind mental walls, to the point he doesn't really remember anything about it. After the events of the movie, his mental state deteriorates, and those walls come down.
(references to rape/non-con of minor. they aren't explicit, but they're there)
- Part 1 of Nerves
"But when they wake up, it will be together. And that’s exactly how it should be."
For all of the wonderful people who for some crazy reason wanted this: a continuation of Enervate.
- Part 2 of Nerves