2--6
After examples for showing off, writer proposes his argument: there are times when showing off may be forgivable and may be even acceptable.Simultaneously some times showing off is offensive, not to be acceptable, never to be nice.
In this paragraph I didn’t understood the Phrase “toot one’s own horn”.
After look up the dictionary I understand it’s means praise oneself, call attention to one’s skill, intelligence, or success, boast. This phrase is use in American slang. In English there is a same meaning phrase “blowing one’ own trumpet”. And I ‘m feel puzzled in the words “immune”. For looks up the dictionary I learned its means unable to be harmed because of special qualities in oneself. I’min a puzzle about the last sentence in paragraph eight. Rivalry means competition, the condition of being a rival or rivals. It has more strong tone than competition. Thought there have same meaning practically.