People who wake up every day but somehow they are not alive. They don't live!

They go to bed at nights with little or nothing to smile about.

How dreadful!

They walk around in dead end jobs, because they never followed their dreams. Someone selected a career for them and they went along with it. 

They walk around in failed marriages because they are afraid of what the neighbours would think. They hide behind the excuses of doing it for the children, or it is the christian thing to do...but they are really afraid of being alone with themselves. Who wouldn't be afraid of being alone with a zombie! 

They walk around their fancy homes, and drive their fancy cars because they thought they needed to impress their friends, and family with material possessions to feel loved and needed.

These zombies don't walk around with rotting flesh, most times you can't recognize them by looking at them.  

Some of these zombies, hug you and greet you with the most beautiful of smiles...but, if you listen closely you might just be able to recognize one or two of them, or maybe the zombie is you.