Check out Truth About Deception (dot) com

"We are a group of scholars, scientists, and working professions interested in sharing information about why people lie to, and cheat on, those they love. More importantly, all of the articles provided on our site are written by someone who has a PhD in one of the social sciences, except for the section on politicians and infidelity and our featured blog.Personally, we have all been deeply hurt by a loved one who has betrayed our trust."

Has tips and advice about how to talk about problems,overcome trust issues,etc.

Check out Truth About Deception