Minimum Effective Volume (MEV) - just enough volume to induce improvements
Maximum Recoverable Volume (MRV**) - The most amount of volume you can handle before being unable to recover
**Yes, using 'M' for 3 different words is confusing
Creative work
Admin work
Coding
Learning
Tweeting
?
Try to do this with every skill at once and you'll fall apart
Pick one skill to push hard for some time. Ramp it up from MEV->MRV->MRV+.
Keep everything else at MV, to avoid decay
...well, yeah. MV/MEV/MRV are just a useful way to frame it
Knowing that your daily MRV for writing is ~2 hours: useful
Stopping at exactly 120 minutes when you're on a roll because you wanted a concrete number: silly