Avern
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Regarding the discussion of the rules, I'm not very experienced in such matters.
But the situation strongly resembles the atmosphere in a boxing club, when at the beginning of the season, many newcomers sign up, and everyone actively attends and trains.
And then the coach announces: there will be a sparring session in a week, and everyone disappears. I don't know if these are good rules or not, but they are the same for everyone, and that's enough for me.
