+
+if it's objective, there is truth; if it's not-objective social construction for coordination purposes (like money or Christmas), it is at least subject to _negotiation_ (so "words don't mean anything" isn't a valid excuse)
+
+http://www.paulgraham.com/marginal.html
+
+If we _actually_ had the sex change technology described in "Changing Emotions", no one would be motivated to invent these category-gerrymandering mind games in the first place