The Challenge's Paulie Calafiore is ready to shine a light on what led to the end of his romantic relationship with Cara Maria Sorbello. "It was tough. You're dating somebody for seven years. We're best friends," Paulie, 37, exclusively shared with Us Weekly before kicking off his Mic Drop Comedy Tour in San Diego, California, on Friday, June 6. "This is my best friend. I could not speak any more highly of this person. Now, with every relationship in seven years, there's going to be ups and downs.