Elizabeth's Anal Submission

Elizabeth is further seduced by her captor, "Sir" and becomes sexually awakened through bondage and domination during sex. Having never experienced BDSM she now finds that it is what has been missing from her marriage. Elizabeth finds herself unintentionally confessing things to "Sir" that she has never told anyone, not even her husband Mark. For a start she has been faking orgasms. But how can she tell her husband that?