Shaquille O'Neal responds to ex-wife Shaunie Henderson claiming she's not sure she ever loved him during their nine-year marriage in her new memoir, 'Undefeated: Changing the Rules and Winning on My Own Terms.' The former NBA star shares a short message on Instagram after his ex's statement made its rounds on the internet, saying he 'understands.' A source tells ET, Shaq hasn't read the book yet, but believes Shaunie's 'allowed to tell her story.'
