Desensitization is defined as the diminished emotional responsiveness to a negative or aversive stimulus after repeated exposure to it.

脱敏被定义为反复暴露于消极或厌恶刺激后情绪反应的减弱。

So on a daily basis, we are getting stimulus from the outside world, this can be positive or negative stimulus.

因此，我们每天都在接受来自外部世界的刺激，这可能是积极的刺激也可能是消极的刺激。

Because what is actually happening is your subconscious mind is taking in all this negative stimulus and manifesting it into all aspects of your life.

因为真正发生的是你的潜意识接受了所有这些负面的刺激，并将其表现在你生活的各个方面。

Yes. The hypothesis is that when left alone with a very negative stimulus, people will go ahead an re-experience it just because it's something to do.

会痛, 我们的假设是当一个人和一个负面刺激独处, 人们倾向重复体验那负面刺激，只为了有事可做。