Often when we talk about how much energy we have, we have the idea in our head that a certain amount of energy means we should be able to achieve a certain amount of output. That is, we assume human energy levels are like petrol levels in a car… if I have a full “energy” tank, I should be able to go 8 hours doing “stuff”.
But that’s not how energy levels usually work.
Usually, a person’s energy levels are a reflection on their expectations on their upcoming work. If they are excited about what they are going to do, they have a certain amount of energy for it. If they are scared or overwhealmed by the amount of work they have to do, their energy levels seem to drop.
It might seem a bit simplistic, but the best way to ensure you have the energy you need is to, a) lower your self-expectations and just go for small parts of big projects (just send 1 email, just make 1 call, just read 4 pages) and b) raise your vision and our purposes; help yourself see that the end goal or outcome is worthy and exciting and… energising.
That’s why gospel work (i.e. “good work”) is great. My outcome expectations are in the hands of God, and the purpose driving me is eternal and glorious.