Will the real social psychologist William Szlemko please stand up. Thank you.

Your conclusion. Drivers who personalize their cars with stickers are cars to watch out for. Also, drivers "who do not personalize their cars get angry, too," only they don't act out with the same aggressive behavior even though they've been known to call other driver's "jerks."

Now how about us old guys who don't own cars. Our only option is to buy buttons, like the one on the counter in my kitchen that says Irish For A Day. It's been there since March 18 th, waiting for St. Patrick's Day next year. But even if I'm not wearing it, does that mean that I'm still apt to come up to you and call you a "jerk."

My conclusion. The buttons you are not wearing are the hidden buttons. Don't press them even if you can't see them. Say you're 70 years old. Don't walk up to me and say "Hey, buddy, I'll bet you're still waiting for next St. Patrick's day, aren't you?"

Then there are the buttons I'm waiting to use. Like the one that says, "I saw a UFO." I'm still waiting to see a UFO so I can wear the button. Otherwise, if I put the button on, some 80-year-old wise guy is going to come up to me and ask, "UFO. What did the thing look like?"

Now what I'm wondering is, does buttons and bumper stickers cause aggression or is aggression the cause of all the useless buttons and bumper stickers that clutter up the world?