Being Italian, I find queer that I never heard anything even similar to the two cited sayings: >I will talk about it with my horse (Italian) >I don’t give a cabbage (Italy) EDIT: Ok, correction, the second one, as "I don't care a cabbage" is fine.
https://fr.wiktionary.org/wiki/j%E2%80%99en_parlerai_%C3%A0_...
https://fr.wiktionary.org/wiki/et_ta_s%C5%93ur_%3F_elle_bat_...
https://www.expressio.fr/expressions/est-ce-que-je-te-demand...