No one knows 'men' as such any more than anyone knows 'women ' and if they do generalise they're probably trying to hide their own ignorance. You might know one 'man ' yes or even lots of individual 'men'.
There are such beings as vampires some of us have evidence that they exist. Even had we not the proof of our own unhappy experience the teachings and the records of the past give proof enough for sane peoples.
