Wrestling Since The Learner's Permit Days

In what area of life do you find yourself most often wrestling with impatience?

Fresh on the heels of yet another example of irrationally losing my patience with a driver, I'm thinking it may be high time to let go more when behind the wheel. One of the late George Carlin's best bits riffed on this human foible when he asked how it could be so many of us characterize other drivers as either a "MANIAC!" (e.g.  driving too fast, switching lanes furiously, running yellow lights) or... an "IDIOT!" (e.g. driving too slow, switching lanes without blinker, stopping for yellow lights). Ah yes, perspective.

Also, since the sorest spot in my 36 year marriage is when my wife and I are in the car together, there's another reason to begin flexing those Buddhist muscles. More serenity, less impatience - has to make our joint driving time more pleasant, right?

And, if you're one of those saints who doesn't lose your patience with others (driving or otherwise), lest you think you've escaped, here's your question: In what way do you test the patience of others? I'll accept comments from someone who claims to not lose their patience and also not test the patience of others only if that person provides visual proof of walking on water. Otherwise, own up, OK?