YOU SAID:
I do believe in fairies, I do, I do.
INTO JAPANESE
私は妖精を信じます、信じます、信じます。
BACK INTO ENGLISH
I believe, believe, believe in fairies.
INTO JAPANESE
私は信じます、信じます、妖精を信じます。
BACK INTO ENGLISH
I believe, believe, believe in fairies.
That didn't even make that much sense in English.