Joran, taking breaks and letting work go is extremely necessary. Your marginal production and happiness begin to severely decline and you end up just burning yourself out.<p>You can put in 2 days of straight, solid work and get half as much done (and be much more unhappy) than if you take a day off, check back into the real world, then work the next day, for example.<p>"All work and no play makes Jack a dull boy"