Any pursuit that allows an individual to restore inner balance:

Self-nurturing activities are the pursuit that allows an individual to restore inner balance.
The fullest and richest attempts are to achieve an inner balance which is between the three realms. For example, work, play, and Love. For someone to pursue one realm to disregard the other is to open oneself to an ultimate sadness in the old age. But to fulfill all the three realms is to make life possible filled with serenity.

Perform surgeries is the correct answer.