The Bachelorette star Emily Maynard and her recently crowned fiancé, Jef Holm, seem to be head-over-heels for each other -- but many Bachelor couples before them have proven that reality-TV romances don't always lead to lasting love. Ever since the show's season finale aired on July 22, Emily and Jef have been making the press rounds and gushing about their relationship via Twitter. And Jef even seems to be getting along with Emily's 7-year-old daughter Ricki. But is there trouble in paradise already? The duo shot down recent rumors that Maynard was sexting another man -- but Jef's brother Mike swears the cheating reports are "100 percent true."