What my husband tells his brother is none of my business, as long as he's not demonizing me. He can say whatever he wants to about his sex life, it's his, and it wouldn't be my right to cause an issue, that would be a pretty arrogant bitch thing of me to do. My husband is a secure man and doesn't need to be uncomfortable or upset by my relationship with my freakin sister, and if he did I wouldn't have any of it, I'll talk about whatever I want, and if you have an issue with that, well, I love you, but you're going to have to sort that out because there's nothing wrong with my relationship with my sister. I'll tell you what though, it's a classic sign of emotional abuse and isolation for someone to drive a wedge in between your personal family relationships like that, HUGE red flag.