One of the challenges of being a team leader is becoming too busy ("crazy busy").
Being crazy busy is actually at epidemic proportions among team leaders. Patrick Lencioni suggests being crazy busy is a sign of "adrenaline addiction".
Here's a great article from Tim Krieder at the New York Times entitled "The Busy Trap"
If you live in America in the 21st century you’ve probably had to listen to a lot of people tell you how busy they are. It’s become the default response when you ask anyone how they’re doing: “Busy!” “So busy.” “Crazy busy.” It is, pretty obviously, a boast disguised as a complaint. And the stock response is a kind of congratulation: “That’s a good problem to have,” or “Better than the opposite.”