Way to go!
I give my wife a Brazilian and she gives me a crack,back and stomach. She also shapes the pubes. I asked her before if she wants to see me totally smooth down below, but she says that she wants to sleep with a man, not a 12 year old boy!! I’ve really got to get stuck into that hanging then!!!!!!
I think you forgot to mention one other benefit.
For the guys that tend to sweat a lot, it also helps keep you cooler.
I used to have a really sweaty butt in summer, but now with regular waxing, problem solved.