He measured their stress, discomfort, aggression, competitiveness, and general unpleasantness. The concern was not limited to mere distraction or unpleasantness. The unpleasantness can range from a mild tingling to blunt, incapacitating pain. The brain processes underlying conscious awareness of the unpleasantness (suffering), are not well understood. Pain's intensity is distinct from its unpleasantness. Despite his general unpleasantness, Mr. Burns' gratitude to Marge is both welcome and unexpected. Rather than causing any more unpleasantness, he leaves. The impasse over Rick's career created unpleasantness at home. More euphemistic terms are "The Late Unpleasantness", or "The Recent Unpleasantness". Following the Dreyfus affair and associated unpleasantness, Singer emigrated to New York City. Wary of such unpleasantness, Basel planted its own corms. Ego-defensive functions serve to protect the individual from both internal and external unpleasantness. The western tower contains a suite of dungeons of varying degrees of unpleasantness.