ERDM-181 - “Promise me just once…” Had relations with my wife’s mother, who is over fifty… A 4-hour illicit relationship.

My wife was hospitalized due to a difficult childbirth, and my mother-in-law came from afar to help with housework. To be honest, she has a better figure and is more attractive than my own mother or wife, and I keep getting lost in thought. Despite knowing it's wrong to be aroused by my mother-in-law, who doesn't look over fifty in any way, I take advantage of my wife's absence and end up seducing her…