This is what it boils down too. When your young. You will do outlandish things to your cars, (because you can) and are willing to put up with the short falls that come with it. Being having to work on it daily, making adjustments, fiddling with it. It's the trial and error way of learning. As you get older. You become more conservative, and put more thought into your mods. The reason being is that you want to do the mod only once with out having to do it over and over to get it right.
Give him time to get it out of his system. He'll come around.