It was that brief moment—that moment of Emma showing him she cared enough to know something was wrong and that she wanted to make it better—that allowed Hook to find the strength to break through Rumplestiltskin’s control and show Emma through his shaking hand on her arm that he was lying about being fine, despite not being able to say otherwise. In an episode filled with heroic acts, this was another one—a man fighting the darkness literally holding his heart to reach out the woman he loves. Love is strength, and the love slowly growing between Hook and Emma has grown strong enough to fight darkness in its own, quiet way
—  Nerdy Girl Notes, TV Time: Once Upon a Time 4.11