"It is very hard for him to come back home and say, 'Yeah, I'm normal.' He wants to climb on the table at 11 o'clock every night and try to perform! He's wondering where are the 50,000 people. We sort of laugh at it now."
- Ali, Bono's wife, after the ZooTV tour
The title of the song '11 O'Clock Tick Tock' refers to a meeting Bono should have had with a friend but missed. The friend put up a note saying 11 O'Clock Tick Tock.