@SamnJamn I imagine Lovey Dovey being more extreme, so I can see why Nishikata would be embarrassed.
Not really. Japan, and many other Eastern cultures, are shame based. In the West we are guilt based. In Japan, the way that you are perceived by others, even total strangers, is a big concern. That leads to a very polite society. In the US, for example, we prize individuality. There, not fitting in is a big fear.