When my kids were all little, I looked forward to their teenage years about as much as I looked forward to a root canal. It’s one thing to make a six-year-old eat his broccoli, but it’s quite another to navigate puberty, high-school drama, and the myriad other minefields that are allsthings raising teenagers into contributing members of society. Remember those What to Expect books? There’s a reason they didn’t write one for teenagers. There’s not much of a manual for small humans, but I could impart various wisdoms on topics such as how the hell to get a kid to not completely destroy the house while you shower. I could…