
No Kaliq. It's not about happiness! It's about mutual love and sex. That's why the duke is incomplete, because he has the sex, but not the mutual love (for power? for Belita? for the dead widow?idk)
Evidence:
Happiness is something fleeting. So no happy, no beast!
Buuut the duke is very much unhappy. So no happy and yes beast.

Before Hae da says they were all the same, I was thinking exactly right that. Usually authors give different personalities/traits for the leads. But here the leads are all manipulatives, liars (as in opportunist) and obsessive. They would do the same in each other situation. I mean, maybe not hide a child. Idk, maybe they would.
What? It only took you 3 hours to give up. Σ(っ°Д °;)っ
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I would take 3 minutes (=・ω・=)