Google Nest Community

Hello guys! I have recently acquired google nest mini 2nd generation and so far when my wife add some product to our shopping list it goes to her list while when I add some item it creates a new shopping list for me instead adding to our shared list....

I would like to understand what has happened that my nest mini 2nd generation stopped to answer my good morning routine.. keep saying "sorry I did not undestand you".Im from brazil, and when i say good morning in english to The nest it works perfectl...