I ran to my office immediately, and when I entered the room, I saw my son holding his airplane toy and forcing it to fly in the air with his grumpy face. A sad smile escaped from my face as I watched him. He seems casual... like it is a normal day for him even though I know it isn't. I wonder what he is thinking right now? He has just seen and talked with his father. It may be too overwhelming for him.

"Why don't you play with the remote-controlled airplane toy, baby?" I interrupted his playing time.

He turned to me, and he smiled a bit. He's neither...