Once the occasion ends, and Geralt's thank-you or apology, Shani reveals just what it was which the bard experienced so rudely interrupted. For those who give her a pink rose, sexual intercourse will ensue. Shani is an element from the Navagraha inside the Hindu zodiac program. It is considered malefic, https://www.youtube.com/watch?v=vJdtAzVzxNk