I've been dating my boyfriend for a year now. He has a 16 year old daughter who still dislikes my 3 year old son and myself. Her mom and dad have been separated since he was five. She ignores my son and myself constantly. She purposely starts texting her dad all evening when she knows when we are together; she purposely lies where she's goes places where she know she not suppose to be just to cause problems between us. I'm distraught over the situation...