Mariska Hargitay And Peter Hermann's Key To The Marriage Of 15 Years Is All About 'Fundamentals'Mariska Hargitay And Peter Hermann's Key To The Marriage Of 15 Years Is All About 'Fundamentals'Mariska Hargitay And Peter Hermann's Key To The Marriage Of 15 Years Is All About 'Fundamentals'Mariska Hargitay And Peter Hermann's Key To The Marriage Of 15 Years Is All About 'Fundamentals'