Because some people are used to where they live
He lacked substantial capacity to appreciate<span> the wrongfulness of his conduct or obey the law.
The brains of people who had mental defect or disease do not function the way normal people do. This might cause them to not fully understand the concept of Empathy or guilt that normal people do when we're seeing other people being hurt.</span>
Well it just depends on how they deal with that stress if they have debts to pay or a family to feed and is falling behind in bills it might be hard to sleep knowing you can't support your family which leads to whom ever it may be in to a deep depression
