Depends what I'm working on. Often I enter the flow and become engrossed in what I'm doing and at that point, the surroundings become totally unimportant. Then

Depends what I'm working on. Often I enter the flow and become engrossed in what I'm doing and at that point, the surroundings become totally unimportant. Then, of course, there's the other times when I play a flash-game 2 hours straight..