By Andrew Holleran If you follow Tom Brady and Gisele Bundchen on social media, their life looks like a fairytale. After all, we’re talking about a legendary NFL quarterback and one of the greatest supermodels of all-time. This week, Gisele wished Brady a happy birthday with a picturesque post. Things aren’t always this easy for Tom and Gisele, though. Gisele recently admitted that her marriage with Tom is far from perfect. “It’s never the fairy tale people want to believe it is. It takes work to be really in sync with someone, especially after you have kids,” she told Vogue. Brady, meanwhile,…