YOU SAID:
My tears have been my food day and night
INTO JAPANESE
私の涙は昼も夜も食べ物だった
BACK INTO ENGLISH
My tears were food day and night
INTO JAPANESE
私の涙は昼も夜も食べ物でした
BACK INTO ENGLISH
My tears were food day and night
Okay, I get it, you like Translation Party.