Stalker Guy follows me and my friend!

Okay, so it was a Saturday and me and my friend were going into town. I just threw some clothes together, some legging and a tight top. I just shoved them on and hadn't even bothered to do my hair. My friend had gone off to get some money from a cash point, leaving me sitting on a bench texting in a subway. She was gone for a while, but it was Christmas last year so I guess there might have been many christmas shoppers at the cash point, therefore making a long queue. But anyway, i'm sitting there, texting, until a homeless man comes up to me and asks me if I have any spare change. I say I don't, because i'm up to my last 10 dollars and have at least 6 more presents to buy for my family. He says okay, and sits down about 6 benches away from me, still staring though. I notice him staring at my chest, so I move my arms up in an attempt to cover myself up. When my friend comes back he's still looking at us, and he's now got a grin on his face. We get up and start walking again. He's immediatly (sorry if I spelt that wrong) getting up, still staring at us. We soon began to notice him following us until we had an idea. We went into a diner and told the waitress at the desk. She said we could have a table and a drink and wait until he left. He eventually left, but I can't begin to think what might have happened if we kept walking. O.O