When I'm writing, I try to split the chapters based on the events.  Like, if a major event is going to happen, the before, during, and after get a chapter, but when the environment shifts, a new chapter is started to explain that place and events.
And yes, Proto, I had planned on writing a full novel, I'd love for you to read it!  *pounces on Proto*  Thank you for the huge boost of confidence, by the way!