Priceless! Sooner or later he's gonna ask about chickens and eggs, or ..... yeah, he'll sure keep you on your toes!
Reminds me of a story about a little girl who was warned about swallowing watermellon seeds because the watermellon would grow inside her tummy. And so, when she was at a gathering somewhere, and there was a very pregnant woman in attendance, the little girl put 2 and 2 together, and exclaimed quite loudly to the woman, "I know what you've been doing!"