A man about my age in a shirt buttoned up to the neck, skinny jeans and brogues, with a battered brown leather bag on his lap, reading an thick English novel. Sitting next to him were a group of German teens, making a not-abnormal amount of noise. Every so often, he would look up, roll his eyes at them and tut.
A kid in a wheelchair who got up and started walking when he got off the train, his friend still pushing the wheelchair.
A ticket controller who came on and straight-up said 'Tickets, please', not 'Fahrscheine, bitte'.
A man using his laptop!