Shannon Beador’s ex-boyfriend is coming out swinging.John Janssen slammed her financial history and the narrative that continued to play out on The Real Housewives of Orange County, in which she was portrayed as the breadwinner during their years-long relationship, RadarOnline.com can reveal. As this outlet reported, Janssen sued Beador last week, claiming she borrowed $75k for a facelift and never paid him back despite their breakup. In the documents obtained by RadarOnline.com, Janssen — now dating Beador’sRHOC costar Alexis Bellino — explained that he dated the Bravolebrity “for a few years…