YOU SAID:

I have 2 boyfriends and they don't know each other

INTO JAPANESE

私には彼氏が2人いますがお互いのことを知りません

BACK INTO ENGLISH

I have two boyfriends but they don't know each other

INTO JAPANESE

彼氏が2人いますがお互いのことを知りません

BACK INTO ENGLISH

I have two boyfriends but they don't know each other