BABY FEVER (PLEASE HELP)

MY SON IS SEVEN YEARS OLD AND I'VE BEEN HAVING BABY FEVER . MY BF AN I BEEN TOGETHER 2 1/2 YEARS AN IM IN LOVE. HE'S VERY ATTENTIVE AN CARES ABOUT MY WELL BEING I CURRENTLY HAVE MIRENA WHICH HE INSIST I GET REMOVED BC OF THE COMPLICATIONS I HAVE WITH IT, BUT HES NOT READY FOR ANOTHER BABY BUT ITS FRUSTRATING BC WHEN I BRING UP THE SUBJECT HE IGNORE ME OR LISTEN AN THEN SAY WE CANT HAVE BABIES......WHAT SHOULD I DO?