"Certainly, we have children and marriage is an appropriate thing to do (as) a part of their wellbeing, so I'm sure it will be inevitable - and awesome! We're about to move to New York so it's a tricky situation. I don't know if it would be an East Coast or West Coast thing." Neil Patrick Harris is considering marrying his longtime partner David Burtka after they relocate to the Big Apple. The couple is parents to twins.