Laughter brings the swelling down on our national psyche.

Colbert frames laughter as a kind of cultural medicine: a way to reduce the “swelling” of collective anxiety, anger, or self-importance that can build up in a nation’s public life. The phrase “national psyche” suggests a shared emotional climate shaped by news cycles, politics, and social conflict; humor, in this view, offers relief by puncturing inflated rhetoric and restoring proportion. The line also implies a civic function for comedy—satire and joking are not merely escapist but can help a society process stress, confront uncomfortable truths indirectly, and regain resilience. It aligns with Colbert’s broader persona of using comedic performance to critique power while keeping audiences engaged rather than overwhelmed.