Narrating Life

My 3 year old son has taken to narrating his playtime.  I don't know if he's seen too many Thomas the Tank Engine movies or we've read too many books written in 3rd person, but it's fairly entertaining to listen to. Especially because it's frequently when there's no one else around.

 I'll overhear him playing with his toy trains and saying things like this:
"'You're going too fast,' said the blue train.  He needs to slow down. He goes up the hill now."

Or he'll be playing with the kid's nativity saying and saying things like this:
"Mary and Joseph need to stop at the manger. The bad guys are coming."

Perhaps it's time I start playing with them a little more and doing some role playing rather than reading books!