@GreatEdubu
So lets see here, based on your first post you have the standard edition and he has deluxe edition right? Or only you have the game and its the Deluxe edition or standard edition?
If you have the Deluxe Edition on your account and your Xbox, then yes you will get all the Deluxe benefits such as the 3 day early access and Deluxe bonus packs. But if you have standard edition on your account and your Xbox then you wont get any extra benefits even if you do share it (unless he gives you access to his account).
Basically whichever account has the Deluxe Edition on will get all the Deluxe Edition perks, that is it really.