People's behaviour is giddy when they socialize, anyone notice?

I'm an introvert which means my brain doesn't get a dopamine kick when I socialize with people. This means my mood is unaltered when I am with people, even the friend I favour. Does anyone notice this same phenomenon of people they know acting really giddy when they are socializing, it's like they get really excited and caught up in the communication process of very unimportant things. I get the feeling the giddiness is not from the content of their conversation but from the bonding process, the interaction itself, just that. But these days, people treat friends as disposable objects, so why get all hot and bothered about socializing. Why the excitement, and fake niceness?

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