Ghost in the Graveyard

I decorated for Halloween yesterday. The kids get really, really excited about this, and all they could talk about was Halloween stuff.   That, I suppose, brought on this converstation with my son: 
Riley said to me, "Ghosts are real."
"Are they?" I replied.
"Yes, but some people call them 'spirits' because they don't believe in them."

Here's my front porch: