Hobby

What hobby is the most popular. Hobies are awful, tedious and not at all necessary. And I prefer useful hobbies, cognitive. As a rule, I use everything once and start a new one. There is no point in repeating. If you already know this. Start new. In novelty, there is a message of buzz. And in what the buzz is constantly something sobirt, well, I do not know about boring and not new ...