Charlie Sheen is sharing insight into why he missed the birth of his first daughter, Cassandra Estevez. The actor, 60, recalled in The Book of Sheen: A Memoir, which was released Tuesday, September 9, a period of time when he began seeing his high school ex-girlfriend Paula Profit "for the late night physical benefits." Sheen noted that Profit was "all [he] knew" besides "Candy in real-Vegas and the L.A. Xpress on Pico Boulevard." (Elsewhere in the memoir, Sheen revealed he had sex for the first time with "a gorgeous red-headed Vegas escort named Candy.