"With the way you're carrying on right now, something tells me that you wouldn't be too heartbroken if your alien brain-spawn were to run off with your brains," Warren noted, smirking slightly and shaking his head. "You know, healing factors don't take alien brain parasites into consideration, I'm pretty sure."

... He had no idea. The only alien infestation his healing factor had ever needed to fight off... hadn't ended so well.