You don't know fear until those monsters under your bed become an appalling reality.
You don't know pain until you've spent a sleepless night unwillingly peeling your own skin off. 
You don't know panic until you've thrown yourself off the cliff three seconds before realizing you want to live.

You don't know their story until you've walked a mile in their shoes. 
Oh, by the way: 
                                                    .....Here are my shoes.....