my sons fiancé told me she is bi-polar and is now denying it making me a liar. she smokes weed constantly and I don t think she s on meds. She displays a evil character. Sometimes we talk on the phone and everything is fine. And like recently I had a Birthday dinner for my grandson. And since my son wants to marry her I told him to bring her. She told my son I did not invite her. A few days later I m at their house and as I was leaving and she was coming home, I asked her what was wrong with her not coming to the party. She yelled at me No body talking to you, No body talking to you, No body talking to you. I m worried about this marriage. My son is talking about having my grandson live with her. My Son says he s in Love. But I know he has to be miserable living with her. He thinks he can help her. He can not.