After My Sister-in-law Came to Live Here at Home, I Felt Like Having Sex with My Wife More

My wife has no idea that I'm fucking her with more desire every night thanks to the presence of my sister-in-law here at home, instigating me, filling me with pleasure and making me feel a horniness and desire that I've never felt before. When my wife leaves the house to work and leaves me here alone with my sister-in-law, there's always that dirty thing that would drive any married man crazy.