According to the statistics of personality experts, 78% of men with thick hair and beards are really grumpy, and they get angry easily. However, most of these men are "careless" and don't take things to heart. They forgot everything after losing their temper. At the same time, this kind of man is kind-hearted, very brave and heroic, and very worthy of making friends.
Of course, there are no absolute things in the world, and there are no absolute laws. There are also some men with thick hair who are not grumpy. They usually don't lose their temper easily. Only the proportion will be lower, only reaching 22%.