YOU SAID:
I have a crush on my best friends boyfriend.
INTO JAPANESE
私は親友のボーイフレンドに夢中です。
BACK INTO ENGLISH
I am crazy about my best friend boyfriend.
INTO JAPANESE
私は親友のボーイフレンドに夢中です。
BACK INTO ENGLISH
I am crazy about my best friend boyfriend.
That didn't even make that much sense in English.