Denmark’s Crown Princess Mary was seen crying at a Queensland airport as she said goodbye to friends before boarding a plane with Crown Prince Frederik. The latter has been in the news recently due to rumors surrounding an alleged “affair” he had with Mexican socialite Genoveva Casanova. “So much has happened that it is impossible to put it all into words,” the future queen cryptically shared on her foundation’s website. “We need each other if we are to succeed. And that’s not only true in the working world and for those of us who are working to combat social isolation. This is true for all of…