How To Set Realistic Deadlines In Filmmaking

I have been writing like mad to finish my next filmmaking book. This will allow you to get some new filmmaking information into your hands. And I had hoped to have a completed eBook by September first and then a physical copy by October 1st, but due to some unplanned speaking gigs a last minute article for MovieMaker Magazine and a surprise movie project - I had to alter my schedule - and that makes me feel like crap...