Complex sentence: As for large format work such as a novel or the like, perfectionism in literary practice is often a disguise for fear of completion or critique of the finished work, and perfecting a large format work is an enormous consumption of time if the author works alone.
Split into simpler sentences: As for large format work such as a novel, perfectionism in literary practice is often a disguise for fear of completion or critique of the finished work. Perfecting a large format work is an enormous consumption of time if the author works alone.