Getting it on with mom

My mom was turning a blind eye toward the sexual relations my dad was having with my half sister. (No relationship to her father) Good for dad though. She was 18 and more than willing to let dad do his thing with her. He didn't ever hurt her it was just consenting occasional ordinary sex. My sister even bragged about it.

Mom however got in a emotional argument with my sister. She was crying and I went to see if she was alright. Upset and sobbing I hugged my mother. "What's wrong mom"? I asked her. It's your father, he's having sex with your sister she admitted. "He has no time for me". "Mom, that's no good, someone should be taking care of your needs". My mother was obviously in dire need of comforting. I was always close to my mom, often a bit too close perhaps. I often would "borrow" mom's wet panties to sniff and leave a wad of cum in them. I never bothered to wash them either so mom knows about it. Mom was plump and had nice breasts, I often thought of how pleasant it would be to suck them. As well, while I was comforting mother as she cried I couldn't help but notice her satin panties were spotted with moisture. Her legs slightly spread, I literally could feel the heat and sweet smell of mom's vagina. I had enjoyed that scent before.

Mom knew I had knowledge of dad's affection for my sister and my affection for her. I loved my mom and really knew she was in need of a little kindness. I kissed mother on the lips, our tongues met. Mom was obviously turned on. I felt her hand on my leg. "Mother, I don't think dad would approve" "Your father is with your sister and I don't care if he approves or not". Mother was adamant and I could see her point. Aggressive and unlikely to take no for an answer, I wondered,