I like to create imaginary characters and events around a real historical situation. I want readers to feel: OK, this probably didn't happen, but it might have.
Whenever I heard the song of a bird and the answering call of its mate, I could visualize the notes in scale, all built up within my consciousness as a natural symphony.
If someone is interested in medicine and also in physics and they like working with people and communicate well with others, I would strongly encourage them.