Originally Posted by caloso
Well, it's like the old saying: What do you need for a bike race? Answer: Two guys on bikes.
That is from a thread I posted a few years ago.
http://www.bikeforums.net/showthread.php?t=170707
And it does hold true to a certain extent. When someone is drafting me, I tend to step it up a bit. However, I might see three other cyclists on my commute, (and they all seem to be going the other way).