*See how the opens with both the new idea and a renewal of the essay idea. *"Not as immediate" reinforces the underlying chronological order of the main ideas.
*"Better disposition" points back at the preceding .
Similarly, the main idea of the conclusion is a reinforcement of the thesis, and its real support also lies in the body paragraphs.
The main idea of the introduction is already expressed in the thesis statement, and its support emerges from all of the body paragraphs.
In addition, after the release of tension, petty irritations and frustrations should be less troubling.