When I still lived in the house Sara would purposely flirt with her boyfriend in front of me, especially when I was not seeing anyone. Sort of rub it in. I never felt like I would do anything, but I always did feel she was flirting with ME when she did that. Maybe it was more playful than mean.

When it got late, she would feign sleepiness, laying on the sofa disheveled, and her boyfriend would start to basically molest her. Rub her tits or put his hand under his dress, the whole time I am right there. After a bit he'd carry her to her room over his shoulder,...