By Kayla Kibbe Unlike her sister Kourtney, it would seem that Kim Kardashian is very much not on a sex fast. In fact, Kim would like us all to know that she happens to be having a lot of great sex with her Big Dick Energy-having boyfriend, Pete Davidson. Kardashian opened up about her post-divorce, post-40 sex life in a recent episode of her famous family’s new Hulu reality series, The Kardashians, suggesting that rumors of Davidson’s sexual prowess have not been exaggerated. Speaking to her sisters Kourtney and Khloé, Kim shared some wisdom about sex after 40 passed down from none other than …