TORONTO, ON - JUNE 23: Nick Rule is a psychology professor at the U of T who studies the science of "gaydar". He was photographed in a double-exposure with a Pride flag. June 23, 2014. (Lucas Oleniuk/Toronto Star via Getty Images)
TORONTO, ON - JUNE 23: Nick Rule is a psychology professor at the U of T who studies the science of "gaydar". He was photographed in a double-exposure with a Pride flag. June 23, 2014. (Lucas Oleniuk/Toronto Star via Getty Images)