Sometimes they go crazy and rush head long into a life of excess that ends up nearly destroying them. Like a kid breaking into a candy store and having access to all the sweets. They will eat it till they feel a sick as a dog.
first shock then extreme curiosity then then wildness unless they were raised with the bible rather than a church
Depends on the world and whether they are able to find a good guide and mentor.
He will be in the world but not of this world.
They either go wild or have a sort of inhibitive shock. Or cycle between, until they gradually modify themselves