Book "In Between Men"

This book is basically about a marry woman who has three kids and her name is Hope. She feels that she is having problems with her married, which i dont think nothing was wrony with. Her husband loves her and would do anything for her, she just had a problem communicating with him about going back to school. He really didnt want her to work, but instead she did and he supported her on that. Her bestfriend tries to tell her that her and a man name Tony are getting a little too close and Hope would just look at it like her and the man was good friends. Then later on she has an affair with him and how i used to think of her as being a good mother and wife. I dont think that anymore, i dont like her anymore because that is wrong how she betrayed her husband and kids.