I was too afraid thinking what my mom is going to do when she gets to know about this. “Look at me she said”. I was too ashamed to look at her, th...n she held my chin and raised my head above facing her and said “What were you thinking?”. “I’m sorry i.. i will not do this ever again” I said. “No.. no.. what were you.. er… thinking about while you were doing this? What were you imagining?” I was shocked to hear this i wondered if she really meant what she said, then i gained some courage. “I.. I. . maybe he forgot to zip up after using the bathroom earlier. I sat there staring at the tv, but closely listening to him. you know the sound that's made when your stroking your dick and the skin rolls over the top than back down? I swear that's what I heard. I sat there trying to figure out if he was really jerking off or if I was imagining it. the only way to find out would be to look, so I rested back against the couch, then used my peripheral the look. sure enough he was slowly stroking his. “That will give me a chance to break the ice with Olga and Natasha.”When I got back, Sandra was sitting between both of them and obviously, the ice had been broken. They were chatting about what had led Olga and Natasha to become lovers. Olga was explaining that quite a few Russian Ballerinas were bisexual. This was because their training was arduous and they did not have time for much social life. That coupled with the fact that many of the male dancers were gay exacerbated that. " Why do I smell a set-up coming here?" Tina replied with a smile."Aww, Tina, he wants to meet you is all. I know you don't know anything about each other. He's only seen you on stage. I know he's my brother but he's a pretty neat guy. Are we allowed to say that about brothers? It seems against the laws of nature or something. Hey your brother is a pretty neat guy too you know." OK, OK, I wasn't judging. And yes, I will admit I do kinda like my brother. He can be a bit protective and that.