Even before Emma (Jennifer Morrison) accidentally stumbled onto his engagement ring for her and prompted the proposal he wasn't sure he'd make, he'd been beating himself up for having killed David (Josh Dallas)'s father in another lifetime. Either he keeps his dirty secret to himself and lets his conscience eat away at him 'til the end of time, or he reveals the truth to her and her family and risks losing everything and everyone he cares about. Instead of rushing after her or confronting her family with his dark truth, Hook asks Nemo if he can set sail with him to clear his head in the ocean air on the Nautilus instead. [...] it's not just Robin's life at stake here; the Evil Queen would happily destroy everyone Regina loves to get back at her because her thirst for revenge will never be satisfied. Seeing a shard of mirror on the floor reminds her of that revelation she had with her dad on that day so long ago, though, and she decides to try another course of action on for size. Since it's not against rules to alter her future, as she's technically not a permanent resident of the Storybrooke story, Henry's able to write her a new ending and shoots her off to wherever the winds will take her. "Love can save even the darkest souls, you just have to believe in it," she says, before walking away, blissfully unaware that her daughter's engagement was called off or that Hook killed her father-in-law once upon a ...