YOU SAID:

why keep going if its all going to end at some point?

INTO JAPANESE

いつかすべてが終わるとしたら、なぜ続けるのでしょうか？

BACK INTO ENGLISH

If it all ends someday, why do we continue?

INTO JAPANESE

もしいつか全てが終わったらなぜ続けるのか？

BACK INTO ENGLISH

If all this is over someday, why do you keep going?

INTO JAPANESE

いつか全てが終わったらなぜ続けるの？

BACK INTO ENGLISH

When it's all over someday, why do you keep going?

INTO JAPANESE

いつか終わったらなぜ続けるの？

BACK INTO ENGLISH

When it's over, why do you keep doing it?

INTO JAPANESE

それが終わったら、なぜそれを続けるのですか。

BACK INTO ENGLISH

When it's over, why do you keep doing it?