YOU SAID:
I eat watermelons all day everyday I am gigantic because of all the watermelons i eat
INTO JAPANESE
私は毎日一日中スイカを食べています
BACK INTO ENGLISH
I eat watermelon all day long
INTO JAPANESE
私は一日中スイカを食べます
BACK INTO ENGLISH
I eat watermelon all day long
That didn't even make that much sense in English.