Careful. You can't screw this up. She'll repeat this story again...and again...and again...for the next two years. So follow the 10 Commandments.
You know the "Reset" button? When you're playing "Grand Theft Auto" and you get pistol-whipped, you can just hit Reset, start a few levels back, and then resume killing cabbies.
Most of your engagement has a Reset button. Not the proposal. You can't undo it. The stakes couldn't be higher. Assuming she accepts, she'll describe every detail-from the salad dressing to the roses to the way your voice quivered-again and again to everyone she has ever met. She'll blog it. Facebook it. Twitter it.
In some ways, the proposal is bigger than the wedding itself. No pressure, but your life hangs in the balance. Follow the 10 Commandments of Popping the Question: