It's already been three months since my father-in-law started living with us in the house we share with my husband. When my mother-in-law passed away two years ago, we had no idea where he was, but he suddenly showed up in front of us. My father-in-law doesn't work and spends all day at home, which seemed to annoy my husband. I had mixed feelings about it, but more than anything, my biggest worry was that I wasn't satisfied with sex with my husband. Then one night, after making love with my husband, I was lost in thought and drinking some water in the kitchen when my father-in-law called out to me from behind...