YOU SAID:

I don't know how I feel about this one guy cause I really like my girlfriend and it's making me feel icky

INTO JAPANESE

この一人の男について自分がどう感じているかわからない

BACK INTO ENGLISH

I don't know how I feel about this one guy.

INTO JAPANESE

この一人の男についてどう感じているかわかりません。

BACK INTO ENGLISH

I don't know how I feel about this one guy.