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[–] beece 0 points 1 point (+1|-0) ago  (edited ago)

Because I didn't know what my real blood alcohol number was after a couple of drinks, I bought a small portable (on the keychain) blow in tester at Costco. It was cheap, but the huge plus is I learned that I was giving my keys to the wife when I wasn't even close to the limit. It's made me relax about driving after haven been drinking. Although I do not drink outside of home where I need to drive afterwards much, I keep it on me all the time and use it, even if I don't think I'm close to the limit.

Just to be sure. Never had a drunk driving charge, don't want one now.