That depends on the person, any color is good then. I get used to someone before I get used to their appearance. But once I do it's done. So I might have trouble adjusting to constant or and drastic changes in appearance. Weird I know.
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"Ever since I was a child, I’ve never allowed myself to get too close to people. I’ve avoided emotional attachment. Perhaps I’ve been so afraid of death and dying that any connection just seemed like a bad thing, something that wouldn’t last." Dana Scully - Christmas Carol.