1.) Other older guys will check out your teenaged daughter just as much as you check out someone else's daughter.
2.) Vintage car races may be the best way to get your non-enthusiast friends to understand our sport a lil' better. My daughter's b/f (after I told him that ",,it's just a party, but watch the Pro Miatas-you'll see what real racing's like..") is now asking to borrow my copy of Bondurant's book.
3.) Bring the sunscreen, even if the NWS sez "RAIN ALL WEEKEND!"
4.) Don't be afraid of the Hongs. They rock.
5.) Scalectrix slot cars have much more "magnatraction" than my old Aurora AFX cars ever did.
6.) The "ban" on alcohol at Road Atlanta seems to be only for their insurance purposes.
7) Multiple tiki torches provide almost as much light as a real campfire, but don't draw the attention of track security folks.
8.) If you're camping, get to Road Atlanta about mid-week or so for one of the "big" events. The best spots to see the track fill up first. And bring one of those "solar shower" things...even after 40yrs, there's still no hot water in the infield.
9.) Everybody that can gotta come play with us next year..
10.) Kevin & Tom would have kicked my ass in that last touring session, if we hadn't had the TRs in front of us. I'm blaming the fact that I had three passengers, but I'll take that "loss" because I think I finally convinced the kids that motor racing is actually a real sport. 
How can it be a midlife crisis, when I've driven sportscars my entire life?