I would first tell him that I think he's already better than that guy in many ways. Because I would always be there for my kids, I could explain the value of being a balanced, strong person while avoiding becoming a megalomaniacal chauvenist. The end.
Get confused as to why I have a son in the first place. Then shove him into a meat grinder until all that's left is his finger (or maybe his eyeball). Then burn the remains so it can't get back up. I don't know what it is, but it's not human.