At 39:09, you can see the reflection of a crew member positioning the bat'leth for Jadzia Dax in the hollow Suite.
When asked by Tumek, Worf says that he has never pursued a Klingon woman. However, he was once involved with K'Ehleyr, the mother of his son, Alexander. Before his family was dishonored, Worf attempted to marry her. As half-human, half-Klingon, K'Ehleyr was not fond of Klingon tradition, so Worf likely did not court her per Klingon custom. Though, they did engage in the Klingon mating ritual.
Among Quarks injuries, Dr. Bashir lists "numerous contusions" and "bruises". "Contusions" is the medical terms for bruises.