Responses
Yes.
Spoiler :
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Not just about scars but overall appearance that makes him like a monster. He can not escape the thought. He became obsessed with perfect figure and skin drawn into paintings. Before he met Liv, he didn't think about living human beings might be can soothe his insecurity but now he starting to take different approach. I've read a comment on novel and I was right, this is a classic Solche's vibes.
I guess he likes n*des because their skin is spotless while his is full of scars.