YOU SAID:
everyone lived happily ever after
INTO JAPANESE
誰もがその後幸せに暮らしていました
BACK INTO ENGLISH
Everyone lived happily afterwards
INTO JAPANESE
その後誰もが幸せに暮らしました
BACK INTO ENGLISH
Since then everyone has lived happily
INTO JAPANESE
それ以来、誰もが幸せに暮らしてきました
BACK INTO ENGLISH
Since then, everyone has lived happily
INTO JAPANESE
それ以来、誰もが幸せに暮らしてきました
BACK INTO ENGLISH
Since then, everyone has lived happily
That didn't even make that much sense in English.