Wrestling feuds don't come much more personal than Shawn Michaels versus Bret Hart. The two men climbed the ladder in the WWF together and always had good matches, but there was some deep-seated personal jealousy that developed between the two men and lead to problems backstage and on TV. Upon reaching the top in the mid-90s, the two men argued over everything. Shawn Michaels felt Hart was overpaid and he was underpaid. He felt that Bret took himself too seriously and was trying to hold him back. He made insinuations about an alleged affair between Hart and WWF diva Sunny (you could cut the hypocrisy with a knife). Bret felt Shawn was a liar and a backstabber. He didn't like the direction Shawn was taking the company in and felt that he had Vince in his back pocket. The two even had a backstage fight at a Raw taping (reports differ on the severity of it). All of this tension helped to give their angles a hitherto unseen sense of realism. You genuinely believed that these two men hated each other and wanted to beat each other up. That was good for business but bad for the two men's business relationship with each other. While they were both professional in their matches together, there was an overriding sense that one could cheap shot the other at any minute. Let's not get started on Montreal, shall we? https://www.youtube.com/watch?v=TpOu5hDDXUk