Hi paul from cl.
Don't you find it strange that THE explanation which makes sense for you is not written down plainly and simply anywhere in the Bible? I mean, God is supposed to have directly inspired hundreds of pages including genealogies, ritual and dietary regulations, love songs and an apostle's request to bring him back his coat, but he forgot the two essential paragraphs you had to write?
Not only is the explanation missing: so are the concepts it presupposes, such as "perfection" (referring to Adam OR Jesus), "right to life" (especially "unused right to life"), "purpose", "living forever" (the last two missing in the Genesis stories at least).
Moreover, didn't Jesus' alleged "unused right to life" cease to be "unused" when he was resurrected from the dead? I know the WT avoids this problem (superficially) by claiming that Jesus was not resurrected as a man (contrary to most of the NT), still it is at odds with Pauline theology which connects salvation with Jesus' resurrection. And there is also the problem of "Eve" as has already been pointed out. Did "perfect Jesus" had one rib more than "perfect Adam" when he "sinned" so as to include "perfect Eve" perhaps? ;)