He had only very sketchy memory of right before and after he was "treated" by Dr. Doodsen.
He - Jimmy? I don't remember that. I thought he was faking.
Considering that the way Jimmy said his memories made the chief think Jimmy was sexually involved with "the women" mentioned, I do not think that Jimmy was faking anything about his memory loss.
JOHN: Clark is going to realize the curse is a lie.
EW: The curse isn't a lie. It exists.
JOHN: OK, his relationship with Lois being affected by the curse is a lie. Hmm, maybe Clark dieing on Lois already fulfills the curse.
Hmmmm. Interesting theory.
It worked in "Missing Lois". Except there I guess it was more complexed and the people really did nearly die.
