Board Thread:General Discussion/@comment-5655661-20130220215945/@comment-4839682-20130301012012

I think what sealed it is finding out that Henry is now more than he appears (he's his grandson) and realizing he IS that boy.

The plane thing I thought was just left over rage at not being able to get his way the usual way, and realizing how powerless he is without magic.

Besides, Henry DID lead Gold to Nealfire; he brought Emma to Storybrooke, starting the chain of events. And moreover, he's (judging by the interactions in Manhattan) is possibly gonna be the way Gold actually reconnects with Neal.