When I was in college I had a therapist. I was telling him how I wasn’t sure if I was being perfectly efficient about how I was going about things, that I was wasting time and energy in my approach.
His advice was just to focus on doing something rather than nothing, without trying to optimize it.
This is really close to what I do as well. If I’m overwhelmed, I think to myself, “Just start with one small thing. Then do another small thing. Eventually, lots of small things add up to a large thing. Won’t get anywhere doing nothing and worrying about how much I have to do.”