He sent them home to pack their knapsacks and sent them out to the ends of the earth. About six months later, the White House started getting letters from the recruits. Kennedy was interested in the phenomena that occurred. So he brought in Dr. Menninger who, over the next ten years, identified the morale curve as a predictable emotional cycle we go through. The stage of arrival is the initial stage of an event - the honeymoon stage.
Morale is high.
We're excited about opportunity, looking forward to new experiences. All is well. Then, there is the point of engagement. This is when we realize that things are not as perfect as we hoped and our morale hits bottom. During this stage we tend to get disgruntled, even angry.