YOU SAID:
i love my girlfriend. i want to marry her.
INTO JAPANESE
彼女が大好きです。彼女と結婚したい。
BACK INTO ENGLISH
I love her I want to marry her.
INTO JAPANESE
私は彼女を愛しています私は彼女と結婚したいです。
BACK INTO ENGLISH
I love her i want to marry her
INTO JAPANESE
私は彼女を愛している私は彼女と結婚したい
BACK INTO ENGLISH
I love her i want to marry her
That didn't even make that much sense in English.