Board Thread:General Discussion/@comment-24892318-20140606234443/@comment-24892318-20140609210642

And Hook on the other hand, put aside his selfish ways to save Henry. Then he brought her home to Storybrooke. And then he continued to support her as she struggled to accept herself as one capable of white magic and challenged her on her indecision about NYC. Then he worked with her as an equal on their journey back to the EF and helped her see that Storybrooke was her home. Finally, he revealed that he gave up the thing he loved most for her.

Yes, I'd wager that this is love.