I have a 2 year old son and I am married ( not the biological father). My husband is in the military and we are living in a different state than the biological. I am the primary parent and we have agreed on the shared parenting agreement for our county in FL. My son calls my husband "Dad", and he has been the father figure since a month after the conception. The biological father and I were never married. Now the biological is threating to take us to court because my son calls my husband Dad. Can he do this? And will he have a leg to stand on? He has an extensive police record, including a suspended/hardship license for a second DUI. He also claims he can keep me from moving with my husband when he gets re-stationed in the military. Can he do this? I am positive that he is doing all of this only out of spite, and for the sole purpose of making my new life without him miserable.