Can science study love?  Are we able to scientifically determine what romance is all about?  There seem to be times, particularly when people hold strong beliefs, that we just don't want to hear what scientists have to say.  We talk a lot these days about the importance of objectivity, but are people - even scientists - capable of being objective?  In this episode I'll talk about  the scientific impotence excuse.  Another interesting cognitive bias we seem to carry around with us.