It also prevents you from spending your money on stupid things like new cars and bigger houses, or your wife's new cloths and handbags etc., because you can always say: "Honey but we don't have the cash for these things".
Apparently it also reduces your EFC when it comes to college financial aid - I cannot confirm this as I have no personal experience.
Congratulations on qualifying - you have done well for yourself. My employer's qualifying threshold keeps creeping up. Currently it is $250K.