I believe the answer is: <span>dark grey cat
According to the </span><span>concept of a generalization gradient, if we exposed to a certain stimulus for a long period of time, we tend to will lower the power of response to the stimulus over time.So, according to this concept, the cat that most likely make him happy would be a less darker cat that he used to like when he's a child.</span>
<span>The James-Lange theory is described in this instance. A heightened sense of rage that comes over someone when in clear and present danger. A cold state of non-thinking, body at the ready to do what it has to in order to survive.</span>
Biological warfare (mustard gas)
