"Tree Fall Down"

Alex cut a tree down the other day in the woods.  We were out playing and taking pictures, so Sterling, Hillary, and I watched the tree come down.  I had no idea how much this would traumatize Sterling.  This was his reaction

He started bawling!  Then when Alex went around to the other side of the tree to cut it up, Sterling started crying, "No, Daddy, get out!"  He was so worried about him.  He still mentions it from time to time.  I have to remind him Daddy cut the tree down and that trees are not just going to fall down on him.