- can dream recall become exceptionally good without lucidity ?
Yes, there's loads of reports of great dream recallers that make no mention of lucidity.

- why do we remember lucids better that nlds?
You're more conscious, which allows a better encoding/storage of memories?

- can we get better at lucidity by remembering better how dreams are and feel ? Yeesss !
Like a Pavlovian response? Pretty sure we can, that's why we use dream signs

- why do we forget dreams so fast ? Is it possible to keep recall of every dream we have recalled ?
ī

"Neuro-soup" during sleep seems that it doesn't facilitate sub-subsequent recall, along with other aspects mentioned in that study in my last post.