YOU SAID:
I love you so much and I want to marry you someday!
INTO JAPANESE
私はあなたが大好きし、いつか結婚すること!
BACK INTO ENGLISH
I love you, and you would get married someday!
INTO JAPANESE
私はあなたを愛し、いつか結婚する!
BACK INTO ENGLISH
I love you, marry one day!
INTO JAPANESE
私はあなたを愛し、いつか結婚する!
BACK INTO ENGLISH
I love you, marry one day!
That didn't even make that much sense in English.