Now what I wonder is if he'll feel fear that manages to push pass it's biological boundaries and force him to feel it like others, or if instead it'll make him calm and content with how he is and at least for a moment feel what it would be to not want to consume everything around it
Hmmm, this is getting interesting; however, if the MC in this case starts with useless feelings like fear or sympathy, it would be a real shame to damage this work for such small things.
