Wenda Yuan-si actions are typical of "Finitude process".
Explanation:
"Finitude" is the concept of setting limitations or boundaries for specific set of circumstances. "Wenda's situation" is very genuine to have by any human in the same phase of life, he decided to bind himself from one of the responsibilities which shows care even after his demise. So he decided to insure his family financially and for the same he thought to make his will and testament strong by opting life insurance.
