Stereotypes/assumptions people make based on your appearance? What's the most common assumption among them?

Inspired by a question on here I saw yesterday. What is the most common assumption people make based on your appearance?

Bonus curiousity question: what assumption (s) would you make based on how I look (see profile picture for reference).
Stereotypes/assumptions people make based on your appearance? What's the most common assumption among them?
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