Why did Christian grey whipped Anna 6 times?

In "Fifty Shades of Grey," Christian Grey whipped Anastasia Steele six times as part of a consensual BDSM scene that was meant to test boundaries and explore their dynamic. The act was intended to deepen their connection and allow Anastasia to experience the sensations associated with pain and pleasure, which are central to their relationship. It also served to highlight the complexities of consent and trust in their evolving partnership.