Mom drove. We went through our town to the interstate. Mom would glance over while she drove, my c**k was bone hard, and I did nothing to hide it. She'd smile and once she reached over and touched it, whispering, 'So beautiful.' She pulled into a rest area and parked towards the back, not way in the back though. I was confused. "Mom, are we gonna f..." She put her hand on my mouth stopping me, "Don't use those words, baby. Let's get in back." We got out and got back in the back. The windows are tinted, but not that much. She leaned back in her seat. I waited. I watched her run her hands over that dress. Her n*****s poked out. I hadn't noticed she had no bra. Mom watched my eyes widen. "Would you like to see more?" I looked around. The place wasn't busy, but we were still where somebo

