I picked up the pair I was admiring and said, "yes, you think she will like them". He whispered, "I meant the pair you're wearing, I could see them wh...n you leaned over". I was shocked, to keep from being embarrassed I always try not to let it show when I wear my panties in public. I smiled sheepishly and said, "thanks". He reached under his shirt and into the waistband of his pants and pulled his underwear up just enough to show me that he was wearing a pair of pink panties. I smiled, and he. She saw me and she got more excited. Since I take my cock out and do it in front of her, she started to lie in the bed naked, before she would leave her bra on. As a 16 my hormones was high and I would fuck anything. As she laid there naked, I went over and started to suck on her nipples. She loved that.I have a younger sister, she is 3 years younger than me. She have no clue what me and mom are doing and mom wanted to keep it like that. My sister Sherry, was a cute girl, small breast, some. Liz is asking for Alice." Margaret said, I couldn't tell from her tone how she was reacting.I hung up and looked at Alice, "Okay. Now for the recriminations side of the lessons." I said warning her that there might be problems ahead."Paul, Alice. Thank you for coming up. I don't know what to say... I feel as if I've been so weak to allow you to... to do what it was you did!" She began.I couldn't let her continue. "Margaret stop right there. Alice did what was necessary for both you and Liz. How. They held each other in a tight embrace. Robbie placed a kiss on his sister’s lips.“Open your mouth a little!” Robbie asked calmly.The siblings shared a kiss with a little tongue-action. They had never shared a kiss, so it was very slow and not perfect.“Let’s lay on the bed,” Samantha said.They moved over to the bed and helped each other off with their clothes. The computer was still showing the couple having sex together. They heard the noises that they were making. Both kids had never seen.