Originally Posted by
Sephiroth
Tifa being dead makes no sense at all.
Cloud's confabulation is the direct result of meeting Tifa, because Tifa has Tifa's memories and his shame subconsciously caused the JENOVA-S-cells to awake so he read her memories and suppressed the part of himself that knew what was true to match Tifa's memories. "Doris" does not have Tifa's memories. It would have to be written different.
The basic idea is not bad.
If that is a cannon explanation for his mental instability then that is one of the finest things I've ever heard. Square really needed to never try and add or retcon things in FFVII.
And the idea he was reading her mind and matching her memories, aside from being something it is never established Jenova can do, is absurd since a large part of her story is knowing Clouds memories don't match hers at all.