I don't see why the Officer owes your any sort of courtest for breaking the law.
I speed as much as the next guy, probably more, but never at night. You really shouldn't be as you obviously suffer from nightblindness (many people do, you're certainly not alone). You're obviously not paying enough attention to drive that fast if you don't see a cop.
18 over, man. You know in some states that's only 2MPH away from a non-reducable reckless driving charge. In some states that's a 6-pointer that stays on for 11 years. A charge on the same level as a Hit-and-Run and Vehicular Manslaughter.
Just think about that when you wonder why this guy was being such an [censored].
