Rule of thumb is a guide or refs principle of some sort. For example, "as a rule of thumb, I do not begin big projects until the weekend." I hope this helps.
Answer:
I think it would be cool but scary, i think he will adjust by making new friends. The problem he could face is being bullied.
Chronological pattern of organization
A chronological pattern organizes information as a progression of time. The time can move forward or backward as long as a logical progression takes place. Best suited for topics that are broken into segments of time, a chronological pattern consists of main sections covering a particular period of time and subsections under each main section covering segments or events within the time period of the main section. When you’re writing about a historical topic, this pattern works well.