My wife had a difficult childbirth and was hospitalized, and my mother-in-law came from afar to help with housework, but honestly, I think she has a better figure and more sex appeal than my real mother or wife, and I can't help but stare. Knowing that it's wrong to feel horny and excited about my mother-in-law, who doesn't look over fifty no matter how you look at her, I end up inviting her, taking advantage of the fact that my wife isn't here...