People
Everything you see or hear or experience in any way at all is specific to you. You create a universe by perceiving it, so everything in the universe you perceive is specific to you.
— Douglas Adams • Mostly Harmless

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Everything you notice, hear or feel belongs only to you, the speaker says, because perceiving something is like building a universe. So each person effectively lives in their own. It's a playful, slightly dizzying take on subjectivity.
Context reviewed