so why suggest fish to him that will get just as big?Here is an idea, get rid of the fish and replace them with a gold fish. If you can't afford a proper set up for the fish now, what makes you think you will be able to upgrade in a couple months when they out grow the 10 gallon and again shortly after that? How about when you need a 150+ gallon tank to house them as adults? You are not ready for these fish.
agree, its called being supportive to our fellow fish keepers at least hes trying to upgradeso why suggest fish to him that will get just as big?