I imagine it's the mention of how his parents were considerate of each other and understood each others mood and feelings. This girl is not considering his feelings at all. "Hey you wanted to get married, right?? Hey, let's go on a vacation on your next day off! Hey, you're not tired, lets bang ok?" Hiromi is so caught up in this whirlwind that he can't keep up with her at all.Looks like Hiromi's starting to wake up. But what made him realize something ain't right? Was it how she kept throwing her desires on him?
Everyone is the worst analyst of themselves. Doctors are the worst patients, etc.Dude spent the entire series counseling others, but he can’t introspect his way out of a paper bag, and so far no one is willing to save his ass.
It’s not a bad story or an inane progression, but this whole arc is awkwardly paced and isn’t doing us readers any favors. We’re so used to the lack of subtlety that these pages of silent soul searching, wishful thinking, and reverting to willful ignorance is jarring and aggravating. Don’t only just now start developing character.