Million Dollar Listing Los Angeles star Josh Flagg is taking some relationship breakdowns in his stride this season. The realtor went through a “messy divorce” from Bobby Boyd and later moved on with boyfriend Andrew Beyer. But, they’re now “taking a break.” He’s also dealing with a friendship that’s falling apart in season 15. Bravo stars are often known for their larger-than-life personalities. Million Dollar Listing Los Angeles is all about selling properties, but Josh Flagg is no ordinary realtor. He describes himself in season 15 as being “egotistical, condescending, somewhat rude, and ab…