Gretchen and Katie talk about love and forgiveness, particularly when it comes to marriage. They talk about what forgiveness does and doesn't do, and how forgivness enables us to be our honest selves with our spouse.
If God ever forgives you, it is not just allowing you to start over and try harder the second time, but it is a whole, new, complete justification that is given as a free gift and without any work of our own—outside the law.