Maybe we will get more of Whale’s back story in this episode.
Perhaps. I’m hoping we find out sooner rather than later!
What do you make of this photo from 2×1 of Dr. Whale clutching Regina outside her house? It seems like he is really angry with her (or really attracted to her). 
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"That’s how you know you’ve really got a home. When you leave it, there’s this feeling that you can’t shake. You just miss it." Neal Cassidy