He is definitely in a somewhat enriched environment (I'd say we regularly use advanced vocabulary around our DC and we read to them A LOT), but part of it is also innate. He comes up with expressions and phrases and words that I know we don't use.
Thankfully, it's not at all stilted. That's part of what is so funny - we'll be having a perfectly normal conversation or they'll be playing some imaginary game or something and he'll throw one of these zingers with no affect whatsoever. The other day, we were at the pool and I was helping him with "sit-dives" and he said "You just made me dive seamlessly!" and laughed with giddiness. Whatever this all means, this aspect of it sure is fun to witness.
As for making a good lawyer, one of those is enough in the family.
