YOU SAID:

Hey why don't we all just go home, since there is pizza there anyways.

INTO JAPANESE

とにかくそこにピザがあるので、ちょっとなぜ我々全員が家に帰らないでください。

BACK INTO ENGLISH

Anyway, there is a pizza, so why not we all go home?

INTO JAPANESE

とにかく、ピザがあるので、私たち全員が家に帰らないのはなぜでしょうか。

BACK INTO ENGLISH

Anyway, because we have a pizza, why aren't we all going home?

INTO JAPANESE

とにかく、ピザがあるから、みんな家に帰らないのはどうして？

BACK INTO ENGLISH

Anyway, because there is a pizza, why don't everyone go home?

INTO JAPANESE

とにかく、ピザがあるから、みんな家に帰らないのはどうして？

BACK INTO ENGLISH

Anyway, because there is a pizza, why don't everyone go home?