Or casually ask, "How much does it cost to have one of those?" If he asks what you mean, "You know, annual shots and food and stuff."

He might start adding it up.

Another thing you might do is contact all Pittie breeders you can find (good ones) and tell them what you told us...complete with his name. Then they know.

If I recall right, breeders insist that dogs sold as pets be neutered/spayed. If he wants an 'intact' one, he will have to pay huge bucks!