Tunner's presence served as a disruption, preventing him from achieving the introspective mindset he deemed necessary. This suggests that interpersonal dynamics can significantly influence one's ability to engage in self-reflection. The character seems to struggle with balancing his external environment and personal contemplation.

The quote implies that the presence of others can create barriers to inner thought and personal insight. In the context of "The Sheltering Sky," it highlights how relationships and external factors can affect an individual's journey toward understanding themselves and their surroundings.