Jason Calacanis' latest post to his email mailing list takes a look at the dark times many involved in the startup world have to struggle through at one point or another. Startup news is often dominated by success stories - multimillion dollar acquisitions and overnight successes are more glamorous than the countless entrepreneurs trudging in the trenches as they try to build userbases and raise funding. Calacanis's post offers some valuable insight into the realities of building a startup, and making it out in one piece. The full text of Jason’s email is below. You can request to join the mailing list here .