Take this Regret by A.L. Jackson (pdf, epub, mobi)

There are some mistakes we make that we will regret for the rest of our lives. For Christian Davison, it was the day he betrayed Elizabeth Ayers. For five years, Christian has regretted the day he walked away from his family and will do anything to win them back. Can Elizabeth forgive someone who has committed the unforgiveable? Or are there some wounds that go so deep they can never heal?