This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!Buzz·Posted on May 19, 2012RelentlessWhen he just won't take NO as the answer. We've all been there.by Kate RoseCommunity ContributorLinkFacebookPinterestTwitterMail How many times do I have to tell you? View this video on YouTube You've met this guy, right?