I'll be honest, I did mess around with my stepsister in law but it was a long time ago. I shut that down when I realised how reckless I was being. She is such a loose cannon. She took such silly risks, she didn't seem to care if her stepsister found out, in fact it felt like she wanted her too. Now she is living with us temporarily and it feels like she has me by the balls. She loves it. I don't know how to handle her.