Instead of Regrets, Instill New System and "Show Up"

Regrets are aspects of my memory that don't really do me a whole lot of good in the present times.  I can easily get myself into a pattern of regret about wasting my school year evenings avoiding doing assigned homework. Then I can devise a system that might have retroactively worked to show that I at least showed up with the homework, producing a product that by no means needed to remotely approach excellence.  But examining the state of mind I was usually in after a grueling-long day at school puts me into a different attitude toward homework avoidance, and it has almost nothing to do with regret.  Nowadays at age 69 I can see the coming evening and I am quite comfortable recognizing that it is natural for me to feel tired, both mentally and physically, as nighttime descends and I want to eventually begin to enjoy a hopefully good night's sleep. I suppose that, alternatively, I could have intentionally gone to bed (sleep) early in the evening and gotten up early in the (school) morning around five, opening up my books around then with coffee on the dining room table.  As Andrew Huberman has repeatedly pointed out, sometimes the transformational moment for someone like myself can be simply showing up and making a nominal effort, placing a strict time limit on how long and how hard I go at whatever happens to be my project.  I suppose that at this stage in my earthly existence, since I am still ambulatory and can think for myself, this strategy of instilling a new system that emphasizes early morning activity is feasible and relevant.  Let's see how this goes...