http://www.blogthings.com/isyourwillpowerstrongquiz/

You Have a Fairly Strong Willpower
Temptation doesn't get the better of you all that often.
If you set your mind on a goal, you'll do your best to achieve it.

And while you don't have a perfect record with willpower, you do okay.
If you fall off the wagon with something, you're usually not off the wagon for long.