The saddest thing for a girl to do is to dumb herself down for a guy. Emma Watson dhavalvadi 4 years ago The saddest thing for a girl to do is to dumb herself down for a guy. Emma Watson 1 The saddest thing for a girl to do is to dumb herself down for a guy. Emma Watson The saddest thing for a girl to do is to dumb herself down for a guy. Emma Watson