2.) Idiom 
3.) The author’s use of language indicates the person is cheerful. 
Think of the idiom “on cloud nine”, which is similar to this one, both meaning a person is delighted
        
             
        
        
        
This is because Yu Tsun is more melancholy and full of foreboding. He says lots of ominous, uncheerful things, like "with the eyes of a man already dead, I contemplated the fluctuations of the day which would probably be my last." Since he's the narrator we hear from the most, the overall tone is one of gloom and doom. The story shows that there are many challenges as the story develops, but in the end h<span>e wraps up every little loose end to his labyrinthine narrative in the space of a single paragraph – and in this case, there's a lot to wrap up. </span>
        
             
        
        
        
An element in an effective argument is logical support because if you are trying to make you're argument effective, you need logical support to help your argument. Hope this helps!