Christina Applegate is opening up about an honest conversation she had with daughter Sadie amid her ongoing battle with multiple sclerosis. "I get up [in the morning] because of [Sadie]," Applegate, 53, said on the Wednesday, July 30, episode of SiriusXM's "Let's Talk Off Camera With Kelly Ripa" podcast. "She's the reason I'm still here and trying. But she did say to me and we got into a big thing the other day - and sorry, Sadie, but it has to be said - she said, 'I missed who you were before you got sick.