There was this bloke who used to sit at the train station close to the uni I was attending at the time, he'd drink cans of alcohol and do a little trainspotting. We talked a couple of times and he gave me some advice that helped me get out of my shell and talk to people a lot more. I must've only chatted with him, like, once or twice but I think it made all the difference in pushing me into making friends in what would otherwise've been a very lonely and isolated part of my life.