YOU SAID:
I’m living off of caffeine
INTO JAPANESE
私はカフェインの住んでいます。
BACK INTO ENGLISH
I live in caffeine.
INTO JAPANESE
私はカフェインに住んでいます。
BACK INTO ENGLISH
I lived on caffeine.
INTO JAPANESE
私はカフェインに住んでいた。
BACK INTO ENGLISH
I lived on caffeine.
You've done this before, haven't you.