Humans often do this...

"Relationships are never about power, and one way to avoid the will to power is to choose to limit oneself - to serve. Humans often do this - in touching the infirm and sick, in serving the ones whose minds have left to wander, in relating to the poor, in loving the very old and the very young, or even in caring for the other who has assumed a position of power over them." (p. 107)