My best friend has been in a relationship with this guy for 2 yrs. In the first 6 months, things were going great, until his "ex" found out about her. From that point on there were numerous confrontations between them about him. He always tried to reassure her that there was nothing going on with them, but she always had her doubts. At the beginning of the second year, just when she thought things were getting back on track, his "ex" says that she is pregnant by him. He said that there is a possibility that he could be the father, from a one night stand that occurred while they were broken up for a month. My sources tell me that this was planned by her, once she found out that he no longer wanted her and was moving on with my friend. She has lost all trust and respect for him. She is deeply hurt by the situation, because she thought that he really loved her. She was told that she shouldn't be as upset because he didn't cheat on her, but I feel like that there must have been something going on all along for his "ex" to even have the time to get off the pills(that she took for 5 yrs.) and plan for a baby. She is still with him and said that if the baby is his, that she will leave. I have information that supports her "doubts," but I think she will be mad at me thinking that I knew all along. The baby is due in Apr.05 and I'm running out of time. I don't want to hurt her, because she has been through enough, but I don't think that she should stick around because he is a compulsive liar. What should I do?