It happens to some of our phylatic cousins, because if you're a monkey, and you look at another monkey, and that monkey has a higher hierarchy position than you, and that is considered to be a signal or threat, well, you are not going to be alive for long.
人間に近い動物たちもです あなたが猿で 他の猿を見ていて その猿があなたより 地位が高ければ 合図 または威嚇とみなされ あなたの命はそこまでです