What should a groom do if he discovers under the wedding canopy that his tallit does not have valid tzitzit?

This source-based Torah study examines the question: What should a groom do if he discovers under the wedding canopy that his tallit does not have valid tzitzit? The canonical Hebrew discussion develops the issue through the weekly Torah portion and the sources cited there, preserving the distinctions, tensions, and practical implications of the original text. This localized discovery layer does not add any new halakhic, medical, legal, scientific, historical, theological, or empirical ruling or claim beyond the canonical Hebrew source.