My eyes focused on an incredibly hot brown girl who was laying on her back with her hand opening her brown pussy lips. Almost immediately I felt my 16...year old dick begin to throb and move. We continued to talk as we looked at each page and with each girl I got more and more excited. This was also the first time I had seen pictures of cocks. I mean, I had looked quickly in gym class in the showers at my friends’ cocks, but I had never just stared at them like I did with the pictures. After. I felt my cock slowly fading away and feeling as if I was being fucked like a little whore, and I began thinking disgusting dirty thoughts of myself if I was a girl, and how the situation would make me feel, and wished a pussy was around to play with in the midst of me getting my ass completely filled. I felt my body surge with disgust, pleasure, and wanting just pure perverted sex. It wasn’t the act that was turning me on, it was the rawness, the openness of pain and pleasure or whatever crazy. It was already close to 1 AM as we shed our clothes. I had developed to be an oral slut already and had no qualms to drop down onto my knees in front of Spencer to worship his healthy, hard 6 plus inches of man pole, caressing his hairy chest and nicely developed nipples. His nipples got hard as I sucked on them too. Then dropping on the bed, we began kissing each other. He tasted fantastic as usual like a man to make me hornier and hornier. Spencer held my head from the back with both of his. Tell us about mammals and child rearing.”Now what the hell was this about? Talk about coming from left field. “So you’re done with the questions about my childhood huh? Now we’re going to have a biology quiz. You girls are weird. But I can play.”“Let’s see. Mammals and child rearing: mammals are essentially the only family of animals that give birth to live young. Of course there are exceptions to every rule. Mammal mothers generally rear the children. The length of the mother-child.