I'm not typically the kind of guy to freak out when something only fans of a fandom will understand happens in movies. But I honestly could not help myself when they unveiled that he was Robin.
Of course, you then have actors like Christian Bale who say they don't want to have any co-stars, so the plausibility for a Bale's Batman and Gordon-Levitt's Robin went down. Especially now with Ben Afleck taking on Batman.