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.
Though he is filled with grief upon hearing his wife’s
death, Brutus remains focused on the war and instead concentrates on the war.
All while maintaining his composure even those his heart is full of sorrow. In
the end, he dies by committing suicide.