How do you say so fabulous and nice to reminisce in french?

Here's how you could say "so fabulous and nice to reminisce" in French, with some options depending on the context and tone:

Formal:

* "C'est tellement fabuleux et agréable de se remémorer." (This is literally translating each word. "C'est" can be omitted for a more natural feel, but it is grammatically correct)

* "Quel plaisir de revivre ces souvenirs!" (This is more elegant and emphasizes the pleasure of reminiscing.)

Informal:

* "C'est trop génial de se remémorer tout ça!" (This is more casual and uses slang "trop génial.")

* "J'adore me remémorer ces bons moments!" (This means "I love to reminisce about these good times!")

* "C'est super chouette de se remémorer tout ça !" (This means "It's super cool to reminisce about all of this.")

More poetic:

* "C'est un vrai bonheur de revivre ces moments précieux." (This means "It's a real joy to relive these precious moments.")

Choose the option that best fits the situation and your desired level of formality.