Key to memory is to use it often, if it’s not used it’ll be replaced by new stuff. Speaking from experience. when I stopped using a third language and learned

Key to memory is to use it often, if it’s not used it’ll be replaced by new stuff. Speaking from experience. when I stopped using a third language and learned a fourth, the third is now almost gone, replaced by the new language that took its place while first and second languages that are in constant use were not affected.