You never win any games you don't play.
Everyone tells you how they are going to be "special", but few do the work to get there. Do the work.
My days are straight out of the movie Groundhog Day.
If you have managers reporting to managers in a startup, you will fail.
If you have managers reporting to managers in a startup, you will fail. Once you get beyond startup, if you have managers reporting to managers, you will create politics.
Don't get caught up in how many hours you work. Judge success based on having goals and measuring your results. Hard work, and lots of it, is certainly needed, but focus on what you get done.