It's easier to write about heartbreak after you've had your heart broken. You have more material to draw from, you can extrapolate from your own experiences and make reasonable assumptions about how your characters would feel and act.
Patrick RothfussHe had a bright, reckless tenor that was always wandering off, looking for notes in the wrong places.
Patrick RothfussSoft fantasy worlds have a much looser cause-and-effect relationship. Alchemists can turn lead into gold and nobody wonders about how it will impact the currency system. Someone waves a wand and turns an elephant into a mouse and nobody worries about conservation of mass.
Patrick Rothfuss