stuck up exmre tef. i would beat the living expletive out of you.dating websites where tweet nothings seem to quick little veer towards rage. male cluelessness in the dating world is nothing new. for many women, this scene from "crazy stupid love" is all too familiar. >> you are never going to regret going home with the guy from the bar who was a total tom cat in the sack. okay. can i buy you a drink? >> you know what, it's time to go home. >> reporter: men who can't take a hint, no matter what you say. like this guy in the movie "hitch." >> i couldn't help but notice you look a lot like my next girlfriend. >> i'm just not interested. but thank you for the compliment of coming over. >> you're welcome. so, do you like cuban food? >> seriously that was not code for i wish you try harder. >> reporter: but move this exchange online and you'll see some really bad behavior. single men who send offensive messages to women who dismiss their advances on online dating sights. alexand sanexandra experienced firsthand when she rejected a man on ok kucupid. >> i