In this quote from William Shakespeare's "King Henry VI, Part 2," the speaker emphasizes the profound connection between a beloved person's presence and the experience of joy and fulfillment. The idea expressed is that the individual's presence brings vitality and happiness to the world, as if their being encompasses all the delights life has to offer.

Conversely, the absence of this person leads to desolation and emptiness. The contrast highlights how important human relationships are in shaping our perceptions of happiness and despair. Essentially, the quote encapsulates the notion that love and companionship are central to a person's sense of well-being and the richness of life.