The phrase "Say I told you so" embodies a sense of vindication that many find deeply satisfying. It captures the feeling of being right in a situation where others doubted you, providing a moment of triumph. The intensity of this satisfaction suggests it can almost overwhelm someone, indicating just how powerful it can feel to assert one's correctness.

In Richard Russo's "Straight Man," these words reflect a larger theme of conflict and affirmation in relationships and life experiences. The desire to express such a sentiment highlights the human need for recognition and validation of one’s opinions or predictions, showcasing the emotional weight behind seemingly simple statements.