What should I do if my fists shake and I am laughed at while drinking?

Actually, this is also a habit of yours. Of course, everyone laughs because they think this action of yours is very ridiculous. Moreover, he is not laughing at B and saying that there is no need to change. Nowadays, there are various more distinctive ones. The habits are very popular. Don't take it too seriously, my friends. A prophecy or a joke.