My profile was favorited by a woman several states away who said she liked my pictures. I thanked her for the compliment and pointed out the distance between us.  She said, what a coincidence, she often visits her father who lives near me.  When I tried to reply, I found her profile was off limits to me.  When that happens it usually includes a message from seeking saying the member has deactivated their profile or blocked you.  We've all seen that, right?  But this time the message that appeared was an odd one:

Due to the gender preferences of the member you are attempting to communicate with, you are unable to send this member a message.

Never seen that one before!  Any clue about it means?  Her profile, as I recall, did say she was looking for men.  I'm a man. So wtf?