Repetition of specific routines over time.
sleep routine - when the sun goes down, go to sleep. This is where natural growth hormone is released. Looking at any artificial light sources, including your phone will prevent delta sleep and therefore inhibit growth hormone. Growth hormone is what gets your cells "cleaned up" while you sleep.
Eating routine- there are as many different eating routines as there are diet books on the shelf at chapters. You have to take into account where you live and your environment and Mitochondrial DNA profile to get the right eating routine down pat. One it is in place, don't miss meals. This part is just as, if not more important than number 3.
3). Training routine - there are infinite numbers of training routines that you can do. The more basic and the less time you spend inside in a gym, the better.
Training longer does not equal bigger muscles.
"Stimulate, don't annihilate" Lee Haney 8 time Mr Olympia (in a row, undefeated, retired as the champ)
There is a reason that a basic 5x5 3 days per week program is something I recommend to a lot of people just starting out.
Muscle De-training begins to happen in 14 days.
Training age is how long you have been training without a significant break.
Most people never reach a significant training age, even though they think they have been training for a little no time.
Consistency is they key.
E-Go 2018