God tonyted you really don't know what you're talking about here do you?
This Theory is necessary to explain the orbit of Mercury, the particles we see on the earth and even to make your GPS work correctly.
Quite a lot of us know what he was on about so please don't judge us all by your standards.
As for his love life, it was quite complicated, he had 2 wives one of whom was his cousin, mistresses and was an appalling flirt so I guess the answer to the question is quite a lot of people actually