People can have so many ill-conceived ideas about me based on the parts that I play. I've had guys, when I've been single, come out of the woodwork to date me and I've found out very quickly that they were expecting some kind of whirlwind, some dramatic crazy person - and that's just not me.
Short-story writing requires an exquisite sense of balance. Novelists, frankly, can get away with more. A novel can have a dull spot or two, because the reader has made a different commitment.