The first commandment of a warrior is to protect and improve your weapons. Your main weapon is your brains, skills and abilities. Train and improve your weapons in minutes of rest. Rest time is a time of training and improvement.
The most frequently used categories of feelings get the maximum development, and sensitivity, and all others degrade. On average, one person has developed from one to three channels for processing and receiving information. People's brains are specialized in processing certain types of information. Some people hear, others see, others read, others touch, etc.
As the Bible teaches us, man was created by God... According to the development of this thought, God took a brainless monkey and gave it brains. "Let there be light of reason!"God said ... and so it all gradually spun.