Well, I'm hoping that it was the existential dread of being trapped in a video game IN GENERAL (and not this specific one) that made you so upset...as for the rest of it:
1) Once the next update comes out in a couple of weeks you will in fact be able to 100% the game (because it will be DONE)!
2) Nolan and his buddies will be much better company after the update, since I'm adding a lot more flavor text for them as they reach new areas and complete quests.
3) No spoilers, but don't worry too much about Gregory being manipulated.
AND
4) I'm glad you're comfy.