Lewis Benedictus Smedes (August 20, 1921 — December 19, 2002) was a renowned Christian author, ethicist, and theologian in the Reformed tradition. He was a professor of theology and ethics for twenty-five years at Fuller Theological Seminary in Pasadena, California. His 15 books, including the popular Forgive and Forget: Healing the Hurts We Don't Deserve, covered some important issues including sexuality and forgiveness.
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What he did was wrong. He doesn't deserve your love. But he does deserve your forgiveness, because otherwise he will grow like a weed in your heart until it's choked and overrun. The only person who suffers, when you squirrel away all that hate, is you.