YOU SAID:

I wish you would jump off a bridge already.

INTO JAPANESE

すでに橋から飛び降りてくれればいいのに。

BACK INTO ENGLISH

I wish I had already jumped off the bridge.

INTO JAPANESE

すでに橋から飛び降りていたらよかったのに。

BACK INTO ENGLISH

I wish I had already jumped off the bridge.