Sometimes, people are strange. One morning last week, I exited the train (my station is one of the busiest stations in the system, transporting thousands of passengers a day). As I joined the hordes of others departing the morning rush hour trains, heading down the platforms for the indoor station, I saw that a leather identification tag had fallen off a briefcase that a man was carrying. I reached down to pick it up to give to him, but he was already way ahead down the platform; it was so crowded with people that I couldn't get to him.
When I finally entered the station, I saw him way over the other side, going out the west exit doors. I went over there as quickly as I could, and came up behind him outside, showing him the leather tag for his briefcase. I said, "Think this fell off your briefcase on the platform, sir." He looked at it, paused, and said, "Oh, yah." He put it in his briefcase, and walked away . . .
Granted, I didn't find the guy's wallet; it was only an i.d. tag. But I was kinda put out that he didn't even say thank you.