YOU SAID:

Since you’ve been gone I can breath for the first time

INTO JAPANESE

あなたがいなくなってから初めて息ができるようになった

BACK INTO ENGLISH

I can breathe for the first time since you were gone

INTO JAPANESE

あなたがいなくなって初めて息ができる

BACK INTO ENGLISH

I can only breathe when you're gone

INTO JAPANESE

あなたがいなくなったときだけ息ができる

BACK INTO ENGLISH

I can only breathe when you're gone