I'm being threatened by my girlfiends clmate!?

GEE,WHY DONT YOU JUST SIT DOWN AND HAVE A CHAT WITH HIM AND SEE WHERE HIS HEAD IS AT AND TELL HIM THAT CHARLOTTE IS JUST A FRIEND TO HIM,NOTHING MORE,AND THAT YOU AND HER ARE A COUPLE.TELL HIM YOU APPRECIATE HIS LOYALTY AND ALL,BUT ITS NOT NEEDED...GOOD LUCK