He backed into the corner and held the bar then I backed into him and held the same bar. No one on this carriage knew that we were strangers and would assume we were on here together so it didn't matter how close we stood. As the train began to move, the noise level of all the elderly people seemed to increase as they chatted among themselves. Once I was sure no one was paying attention to us I backed back until I felt his cock bump into my ass. God it felt so hard and good. I began pushing back more and then grinding my ass on his cock....