So my brothers 12 (almost 13). I'm 15(almost 16) me and my brother are really close. So he had a friend spend the night. My friend Lilly has been staying at my house for the past week bc she and her parents are fighting. Anyways, she got pissed off at her mom, took a Xanax, and passed out. So I went into my brothers room. He and his friend were sitting on the couch playing halo or something. I climbed over the couch and sat behind him and hugged him from behind them took the controller thing from him and started playing. I told him good night, kissed his cheek, and left. When I was leaving, I heard his friend say he (my brother) was lucky because I was super hot and he wanted me to do that to him. He then asked my brother "how far we had gone". My brother told him to shut up. I mean, were brother and sister. Of course we don't have sex. We just love eahother. Like that's how it's supposed to be. Would it be ok for me to go back down and yell at him?