YOU SAID:
how you doing mate, I hope you are fine!!
INTO JAPANESE
元気かい、元気だといいな!
BACK INTO ENGLISH
I'm fine, I hope you're fine!
INTO JAPANESE
元気です、元気です!
BACK INTO ENGLISH
I'm fine, I'm fine!
INTO JAPANESE
元気です、元気です!
BACK INTO ENGLISH
I'm fine, I'm fine!
That didn't even make that much sense in English.