If you find yourself raging out because you are "inconvenienced" by an online-games downtime then you need to assess your priorities in life. Missing that one night does not cause you any harm.

Your sir, need to find something else to do with your time. You knew it was coming around, so you should of planned to get some other activities in your life done whilst it is down.

The interruption to your "game-time" is for your benefit! This should never be an issue to you.