It is only in fairy tales that the stepmother is always evil, and the real mom is kind. But in reality it is just the opposite. Stepmothers are much more attentive to their stepsons, they really care about them and worry about their mental and physical development.
How can you make a mature woman feel ashamed? You can, for example, point out her weaknesses and shortcomings. Or you can take advantage of them and get your hands on material for further work on deep penetration.
This horny bitch was ready for anything. She was on all fours, oozing juices running down her thighs and smelling of sex.
