DEAR ABBY: I am in a relationship with my hot-and-cold fiance. ** ** **DEAR ABBY: My husband and I just had our first child. ** ** **Dear Abby is written by Abigail Van Buren, also known as Jeanne Phillips, and was founded by her mother, Pauline Phillips. Contact Dear Abby at DearAbby.com or P.O. The post Dear Abby: My fiancé betrayed me, and now we’re both unfaithful appeared first on New York Post.