I was so clueless but i watched as they got it on. The later on kicked me out the room and stopped having sex. I didnt know what to do but that sexual...act turned me on. I was horny and wanted to have sex but i was young and didnt know how to use my penis to satisfy myselfA year passed and we moved to New York where my mother became a babysitter for a while in an apartment. She was baby sitting a 7year old girl, i was also 7 at the time. This girl turned out to like role playing daddy and mommy.. As luck would have it, I was already pretty aroused from having had fun with a group of students - some of whom were really hot girls - on campus.I got to the end of the car in a corner between last two seats - one seat was sideways and one was facing in direction of train. There was a slight space between them and a metal bar which, just a little bit covered the view from nearest door. I crouched into the space with my face towards the door and kept my backpack standing up on the seat for. This is when Margaret comes shuffling in. Margaret wears her long, gray hair up in a tight bun. She’s a year away from retirement, and ten years out of fashion. I’ve never seen her in the masturbation room before, and she looks like she’s a little lost. This could be one awkward senior moment. I’m surprised when she crosses to the file cabinet along the left wall and retrieves a 16” double-headed dildo from one of the drawers. I’ve never used any of the communal toys before, but she apparently. "Good girl Kellie."I feel something between my legs and I open my eyes and see it is anotherdiaper. "Hey I am not a baby ya know." Looks like to me you just peed all of yourself, and that rates you as ababy Kellie. So just relax little sister hehehe," I hear Karen saying andgiggling. "Yes I think I can get used to this being the oldest in thefamily and now a family with just girls in it hehehe."I lay on my back feeling just beaten down depressed knowing I am beingdiapered by my sister as the my.