What are some red flags when it comes to adding people on steam?

Pic related. She's from vidya so I figured it wasn't super bad and I can't really show off my obsession in my profile without doing dumb shit like uploading "artwork", but I'm definitely obsessed with her.

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steamcommunity.com/id/necrophobe
knock yourself out, mr. reddit-spacer :^)

>not being there since the beginning

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