Enjoy your work Erik.
If all models are broken?
What if Weight Lifting is not the best choice to stimulate muscle?
Consider X3 by https://www.jaquishbiomedical.com/
Variable Resistance Training working in Congruence with Body.
Minimise Time Spent and Maximise the Results.
Take the System wherever you go allows Consistency of Effort.
Like anything you still need to do the Work.
Increase Muscle Mass and Reduce Fat Mass.
Improve Body Composition/Strength/Posture.