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They do have an appreciably different dopamine regulation. So they're feeling something.

(Not defending or apologizing for anyone's lifestyle here.)

?

meaning they themselves may feel "happier" when they are on their digital dopamine treadmill

there is some subtext here about saying others are "not happier"

The person I was replying to was lamenting about "naturally good-looking people", you're talking about chronically online people.

Different conversations.