That vet sleeping on the park bench wasn't always an alcoholic. He drank to forget the horrors of war, but those horrors are forever embedded in his brain.
The young run away fled a home full of abuse only to now live in a world overrun with it. He does what he does to survive.
That disheveled, rumpled old woman desperately clutches a bag of popcorn because it's her meals for the next two days.
Someone is always worse off than you.....help them...you'll feel better.