YOU SAID:
I am in deep love with him
INTO JAPANESE
私は彼に深く恋をしている
BACK INTO ENGLISH
i am deeply in love with him
INTO JAPANESE
私は彼を深く愛している
BACK INTO ENGLISH
i love him deeply
INTO JAPANESE
私は彼を深く愛しています
BACK INTO ENGLISH
i love him deeply
Come on, you can do better than that.