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You want to wash your hair because it is dirty. You are standing in front of the full bathtub, filled up well. You bend forward over the edge and dive your head deep underwater, several times and each time holding your breath for some 15 to 20 seconds to wet your hair well. After several dives, you apply a first shampoo with much foam. But when you dive underwater to rinse it off, some invisible thing tries to push you deeper under and keep you under longer in order to win you. You are trying to escape several times, struggling and shaking your head, moaning and blowing bubbles as you are almost lose it. You succeed in escaping and make a second shampoo. Again, when you dive to rinse it off, the thing is there again and tries to keep you under longer and longer. You are deep underwater, and blow bubbles and moan while struggling. After several times of this diving and struggling, you escape and decide to try a last shampoo. This time again, it comes to keep you under longer and longer. After several times, in the end it wins and you stay under, not moving. But in reality you are cheating and when the thing seems to have left after some time, you slowly come up and escape it. So you put conditioner and start rinsing it with the head upside down bent forward over the tub. But suddenly, the thing comes back and pushes you under again, several times. In the end, the thing keeps you under too long and in the end, you stay under and not moving, blowing few last bubbles while you lose completely