Ignore the EPA MPG ratings on cars. Go get an online Consumer Reports subscription, and see what their real-world testing revealed about MPG. I've been doing that for all of my car purchases (two recent, because I helped my girlfriend shop for hers).

Read On Killing. Only psychopaths can kill without emotional consequences. People are naturally opposed to killing when it comes to dealing with members of the same species. Men can hunt and kill a deer. That's instinct. When confronting other humans, the instinct is to posture or submit. Same applies to most other mammals.

Marathoners are often plagued with health problems. Do a little less running and a little more strength training and you'll (surprise) strengthen your body. Marathoning will just turn your body into a skinny little wraith optimized for pounding the pavement for 26.2 miles at a time.