Ah, George Lucas! That could be it. I was trying to find some connection to anything, but couldn’t find anything.
I also had to think of Remus Lupin from HP when you wrote about lupus!
I think we can be pretty sure the werewolf thing is somehow active in SB. When Emma and Ruby are looking for David, Ruby says “I hear hammer.” That clearly indicates that she actually hears David’s heart!
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