The answer may be found in the question, in the identification of the "I." Who we think we are and who we really are affects how we consider life after death, and what we will thus "feel" there.
The Eastern idea of "no-self" is confusing to Westerners, but I think the same concept can be found in our Western traditions, just known by different terms.
Joseph's experiences seem to parallel those he "translated" in the Book of Mormon, perhaps indicating a deeper spiritual-mystical allegory and myth.
The experience of God is not all joy and laughter. It has often been terrifying to those who experience it. Why?
What masks do we wear? What roles do we play? What self do we think we are? It is probably not the true Self. Coming out goes deep within.
Jesus became a symbol of the "Lamb of God," the flip side of the "scapegoat" of the egoic enemy.
Apostasy (and apocalypse) are two words that could use some closer investigation in our spiritual journey.
This fallacy says that people mistakenly believe that children are connected to the Divine in a similar way as those mystics who transcend ego. I don't think this is mistaken at all.
Can mysticism or spirituality be transmitted from one person to another? I suggest yes and no.
I suggest that unique waves never return, but rather the ocean continues waving. The ocean is waving in you now.