4 ms·Simply: no.by Graffur 5y agoSimply: no.aristofun 5y agoOkay, a guy from internet knows better than hundreds of authors :)Graffur 5y agoDon't make me invoke Godwin's law :)aristofun 5y agoBut what exactly “no”? No, we there’s no mechanisms behind reciprocal smiles for instance? Or no, they don’t play role in our survival? Or no, we shouldn’t respect them?