Milan Kundera's quote from "The Unbearable Lightness of Being" suggests that sexual desire is intricately linked to emotional and physical experiences, rather than being something that can be triggered at will. The idea implies that if sexual arousal could be summoned through a mere command, it would diminish the complexity and significance of human relationships and interactions. This speaks to the fundamental nature of desire as something that cannot be controlled or simplified.

The quote underscores the depth of human sexuality, indicating that it involves more than just physical responses. Kundera seems to argue that true sexual excitement is rooted in the messy, unpredictable aspects of life, including passion, longing, and emotional connection. This complexity enriches our experiences and makes sexual relationships meaningful in ways that a simple command could never replicate.