Just as a general rule, I'm not accepting friend requests. I personally don't think that an art gallery site really needs a "friend" feature, and the way it exists now (especially using the word "friend") has too much potential to create drama. I may decide to accept friend requests at a later time, but don't take it personally if I don't accept yours.
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Mercy
Couldn't agree more, honestly. It creates a bit of a 'line in the sand' as it were between groups of acquaintances.