You hear him explain to his father that old-fashioned things don't waste electricity because they didn't have electricity back then.
He starts exclaiming things like, "I declare!" and "I'm hungry enough to eat a raw bear without salt!"
You overhear him telling his father how to build a cabin door.
He designs covered wagons with built-in threshing machines. Just in case you drive over any wheat.
Your toddler develops a special affinity for cows.
