LEAN 6 Sigma in our daily routines

Lean is simply the optimization of the time and resources utilization in a certain sequence of processes to achieve a certain objective.
The minimization of the time and the maximization of the resources usage and the optimization of the process, all that is the main goal of Lean 6 Sigma.
Lean is fully applicable in our daily routines as it is in the work and business processes.
The house wife can use Lean to minimize the cooking time.
The maid can use Lean to save her effort and reduce the time for the house keeping.
The student can use Lean to maximize the return of his time.
The consumer can use Lean methodologies to reduce the shopping time.
The process has to start with the time analysis and measurements and improve the process continuously.