YOU SAID:
i sucked a lolipop when i was 4
INTO JAPANESE
私が4歳のときに私はロリポップを吸った
BACK INTO ENGLISH
I sucked lollipop when I was 4 years old
INTO JAPANESE
私は4歳のときにロリポップを吸った
BACK INTO ENGLISH
I sucked lollipop when I was 4 years old
That didn't even make that much sense in English.