Why do men create female alts
http://community.secondlife.com/t5/General-Discussions/Why-do-men-create-female-alts/td-p/264691
Voices in our head:
http://dwellonit.taterunino.net/2011/07/22/the-voices-in-our-heads/
Unlike the spoken word, written words fire off all the same patterns in the brain that happen when you think the words spontaneously.