Absolutely. We do try to do so, but sometimes we decide to remain loyal to the JP instead.there are quite a few times when you use a characters name and it reads completely unnaturally. you shouldn't be afraid to use you even if the jp says a name
Usually with these kinda characters, the flippancy is used as a mask for fear of emotional intimacy.I get the feeling we're only seeing the superficial side of Yui, with the casual dating and flippancy covering a more serious center.