I ended up living with my wife's stepchild, and the sight of her teenage daughter's panty shots or exposed nipples without a bra, carelessly displayed, made me regain my lust despite my age. I took secret photos with my smartphone. My erect penis was also noticed by the girls, and we unconsciously tempted each other to avoid being caught by my wife. We had sex next to my sleeping sister-in-law or touched each other in the kitchen when no one was looking. As soon as the rest of the family left, we went wild with sex.
