Although you hadn't asked why, it had less to do with you not noticing than with you not wanting to hear the answer.
The quote highlights the complexity of human emotions and the reasons we avoid certain truths. It suggests that sometimes, it's not about ignorance but rather a conscious choice to remain oblivious to potentially painful realities. People often choose to disregard questions or insights that could prompt uncomfortable introspection.
This avoidance can stem from fear of the answers or the implications those answers might have on their lives. It emphasizes the idea that awareness can bring discomfort, leading individuals to shield themselves from the truth instead of confronting it.