YOU SAID:
I am in love with a man who has a girlfriend
INTO JAPANESE
ガールフレンドがいる男性に恋している
BACK INTO ENGLISH
I'm in love with a man who has a girlfriend
INTO JAPANESE
ガールフレンドがいる男に恋をしている
BACK INTO ENGLISH
I'm in love with a man who has a girlfriend.
INTO JAPANESE
私はガールフレンドがいる男に恋をしている。
BACK INTO ENGLISH
I'm in love with a man who has a girlfriend.
That didn't even make that much sense in English.