The quote from Kelley Armstrong's book "Stolen" highlights a fundamental aspect of social conduct, emphasizing the importance of treating others with respect, especially those we know personally. The metaphor of "draining the lifeblood" suggests the idea of taking advantage of someone or depleting their energy and resources, which is considered deeply disrespectful. This principle of common courtesy serves as a reminder to approach relationships with care and consideration for the feelings and well-being of others.

In essence, the statement calls for an ethical interaction with individuals in our lives, urging us to acknowledge their value and to act in ways that uplift rather than exhaust them. By adhering to this principle, we cultivate positive relationships based on mutual respect and understanding, ultimately enriching our social connections and community dynamics.