It usually is a very endearing exercise.
I'll say: What's that coming down the railroad track?
Big E will say: A TRAIN!
Tonight when I prompted him, he pointed to the back of the train car and told me of how he fell off, had a boo-boo on his forehead, and had to go to the Trackside Grill for ice.
He remembered everything that happened. And it was four months ago.
The only thing he left out was the trip to the CHOA emergency room and the astronomical medical bill.
At least we know his memory was not impacted by the head trauma.
Scene of the crime