In an episode of the Unwaxed Podcast, Sophia and Sistine Stallone interviewed their father, actor Sylvester Stallone, about the release of the Netflix documentary, “Sly.” During the interview, they asked their father about his tough upbringing, including that his mother, Jackie Stallone, “was nervous” to have him — and this interaction revealed something they didn’t expect. “You had said that your mom was nervous to have you,” said Sistine. “She didn’t want you, right?” “Not at all,” replied Stallone. “My mother would say, ‘The only reason you’re here is because the hanger didn’t work’ or ‘bouncing down those steps didn’t...