It is good idea. some students will not pay attention to the teacher if they have phone on them , of course they will keep playing on their phone while the teacher is teaching , and what if their phones got lost? the school will get attacked by the parents for not being careful
Narrator feels saddened because "A flow of disappoint rushed across my mind." The creature felt amused because "He came straight up to me and laughed into my eyes."
Hope this helps, if you have any other questions please do ask :)
The author's attitude toward the subject on which he/she is speaking.
attitude is everything like if you were hanging out with your best friend and your feeling down that just makes everyone else in a bad mood.