We're hard-wired by 200,000 years of evolution to be sensitive to the idea that someone might be watching us. They might be predators, after all. An uneasy feeling is perfectly natural if you suspect that someone has you in their ocular sights, whether it's a ghost or just some guy at the bus stop.
Wow. This makes grand central look like a bus stop in Buttfuck Nebraska.
If one person starts crying, I'll cry. If one person has no money, I'll give them mine. If I had a bicycle growing up, I always felt incredibly guilty when I see someone sitting at the bus stop.
In soaps, people come back from the dead all the time, to the point where death is just a bus stop.