It's sad. Many kids cry because their Dad is physically gone. My older 2 cry because their old dad is mentally gone and they can't bear to see the new one that is physically there.
That's how mine feel. My 11-year-old says her dad is a ghost.
"You know, it's times like these when I realize what a superhero I am." Tony Stark/Iron Man
“Focus on what you can do, then do it with all your heart.” Lois Wilson