When you constantly check every hour or so to see if some bloke called Keith has put up a new article. :)
When you shout at Jonathan Legard for not knowing that a passing move has taken place, even though it only happened 0.4 secs ago, and you just saw the timing screen change.
P.S. I would like to nominate Bernie Ecclestone for COTD. It has been tweeted by alanbaldwinf1; Bernie’s birthday message to Christian Horner: You’ve already had your gift from Ferrari, so you won’t need anything else from me!