They ran another half dozen laps before Billy suggested that they quit for the day."Don't you ever get tired?" he asked."Nope, never have yet." At thi... pace, five miles is about my limit." Okay, we can quit for today, but if you want to learn to really run, come back tomorrow and we'll run some more. I'm sure that if you run with me every morning, I could have you up to ten or twelve or maybe evening fifteen miles by the time I have to leave."Conveniently, or perhaps because they had all been. She helped me up and enveloped her arms around me again. I did the same for her, and we got extra close to each other."Just wait until you get knocked up, then your boobs will get as big as mine." Good to know," I said before I let my lips onto hers.That time, we let our lips stay together for over twenty minutes. Our chemistry proved to be rock solid as it just felt normal to kiss each other like that by then. Feeling our naked bodies together was phenomenal, and we the finish line seemed far. When she turned around she saw me watching her and she smiled, showing her perfect white teeth and red lipstick.I was a bit ashamed at the moment, but i decided not to back down i moved a bit to adjust my growing boner so she couldnt see it and looked her into the eyes, she smiled again and moved her gaze away.But she didnt move her head all the way back to look trough the bus window but she left it in position so she could see me on the edge of her sight.I was glad she didnt see my boner but. "Oh baby, look at me all naked and flushed from what you did for me. Don't you like what you see?" Well, yeah, but..." I stammered."Now just stop," she ordered. "Take out your hard cock and stroke it until you cum all over your Mother's naked breasts."She started to sit up but I knew that wasn't good for her head, so I told her I would do it."Good!" she said. "I"ll just lay here while my strong, handsome son strokes his beautiful thick cock for me."I slowly slid my shorts and underwear down,.