An apex is always surrounded only by emptiness
How much research I have to do depends on the nature of the story. For fantasy, none at all.
I have a bad tendency to get rapidly bored with my own material, so rewriting is hard for me. I mean, I already know the story and would rather read something new.
I try to challenge myself as much as possible, as often as possible.
I hear entire symphonies, oratorios, in my head, but I can't write a note.
I enjoy listening to classical music and heavy metal. I play basketball and try to go diving at least once a year. I don't really have hobbies in the traditional sense... I engage in too many activities already through the actions of my characters.