I read paragraph 7 and paragraph 8 carefully.
In paragraph 7 I try my best to understand the meaning of 'immune' .I look it up in the Cambridge Advanced Learner's Dictionary with this question. In the result[At last], this word has three meanings. one is Protected against a particular disease by particular substances in the blood. two [another]is [after verb] not affected or upset by a particular type of behaviour or emotion .three [The last]is [after verb] not able to be punished or damaged by something . I got a lot from theDictionary.
Author says that showing off that [去掉]is offensive , that is [去掉]not acceptable. in my opinion .In fact, showing off is nothing,the [The]key is what you show off.Now what can be the make and put them up for showing off[不太理解].Look at that bit [kind]of skirt over there.Individuality is showing off.however, if others really have each kind of ability which he [they]said[say],even if [there is]a little shows [showing]off [of]the suspicion [添加一個逗號,]I DiD [do]not oppose,[because] others have that strength after all.