In truth , war is almost always an emotional matter of status and pride , of shedding blood and tearing the flesh of others held dear , of dread and awe and of the instinctual needs to escape from fear , to dominate and to avenge .
From definitions , fear is a pre-programmed emotion that acts as an instinctual response to potential danger .
从定义上看,恐惧是一种在面临潜在危险时所产生的本能反应,它是一种事前情绪。
These hormones govern growth and instinctual behavior such as eating , drinking , sex , anger , and reproduction .
这些激素支配身体的生长和一些本能行为,比如:吃饭、饮水、性爱、愤怒和生殖。
And this instinctual response causes different physical reactions , because when we are afraid , the adrenaline and the stress hormone cortisol are released into the blood stream .
Dogs are smart , and they possess both instinctual and physical abilities to recognize and negotiate obstacles that in many cases surpass the abilities of humans .