It's certainly more interesting for me as an actor, but I think it's also more interesting for the audience to see three-dimensional characters, rather than just a bad guy or a good guy. ↗
No wonder the film industry started in the desert in California where, like all desert dwellers, they dream their buildings, rather than design them. ↗
However, I survived and started to read all chemistry books that I could get a hand on, first some 19th century books from our home library that did not provide much reliable information, and then I emptied the rather extensive city library. ↗
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. ↗