I heard of this case where a person suffered a head injury and was unable to speak English because of it, they were only able to speak a foreign language (I don’t remember what it was specifically). So yeah you can forget it midway through the game, or anywhere else. Nintendo just likes to lock people into choices, I think it might be a Japanese thing (it’s why you can’t aren’t allowed to change your name in any of their games).
“Why do you need to change your language? Did you forget how to speak it midway through the game, you clown?” - The Pokemon Company, probably
I heard of this case where a person suffered a head injury and was unable to speak English because of it, they were only able to speak a foreign language (I don’t remember what it was specifically). So yeah you can forget it midway through the game, or anywhere else. Nintendo just likes to lock people into choices, I think it might be a Japanese thing (it’s why you
can’taren’t allowed to change your name in any of their games).