Glad to hear you're passing down the wisdom neo...
i guess it must be kinda cool for him to know that the fish he has in "his" tank are kinds that not many people have, ie; beats the common goldies and betta bowls.
Pretty soon, he'll be pushing you for more tanks, and bigger ones.
Good start!!!! My oldest boy (6) will walk thru the saltwater section at Petco and tell people what it is that they are looking at. Makes a daddy proud, looks like yours will be there in no time.