He had an intense interest in the 'supernatural' elements of Macbeth, particularly witches and their prophecy. In fact, king James I wrote a book about the supernatural, so that is why he was particularly interested in that part.
A. It means that love is easy to find if you are wealthy.
This is clear as , the line 'disgrace with fortune' seems to imply that you are at a loss with money, that you lack the luxury of riches.
The next line also seems to imply that love is easier to find when one is wealthy, as 'men' is a word often used to describe/refer to society as males are the dominating figures, particularly in shakespearean times. That tline means that if you have money society, and therefore women, are more likely to respect you if you have money, whereas if you do not people often look down on you, they look at you in disdain or pity. If you are rich and of status, you will be more likely to fine a partner of your class/level, then if you do not.
