What you have to do is exactly what you decide you have to do.
And that part is up to you.
Do what will get you the result you want. Scrap the rest.
Most of the time (following the Pareto principle, here) we spend 80% of the effort to get only the last 20% of the results.
What’s something that you’re doing that’s causing more pain than it’s worth? Can you stop doing it right now?
You can Pareto-Optimize your life, one small step at a time:
Do the bare minimum to get the results.
Say what you need to say, and scrap the fluff.
Write only enough to get the message across.