Definitely not for the faint hearted ..or the weak willed.
Although going dark is a way of making them realise what life would be like without us, it is also an opportunity for you to think about what life would be like without them. Fill those two weeks with activities. Some on your own and some with others - plan a hike, go watch a play, get a haircut, have a facial, visit a spa, go out to dinner with friends.