Every year I tell myself I’m going to write a new post about losing a child. I never do. A couple of years ago, I realized that in this post, I left it all on the table. I republished it with a few minor changes, and today I’m doing it again. Because whether or not it needs saying, I want to say happy birthday to our angel and 5th of our 6 children, Gabriel. What follows is desperately sad, but…