YOU SAID:
I love my boyfriend but he doesn't love me.
INTO JAPANESE
私は彼氏が大好きですが、彼は私を愛していません。
BACK INTO ENGLISH
I love my boyfriend but he does not love me.
INTO JAPANESE
私は私のボーイフレンドが大好きですが、彼は私を愛していません。
BACK INTO ENGLISH
I love my boyfriend but he does not love me.
You've done this before, haven't you.