A new AARP study finds family caregivers spend, on average, nearly a third of their household income on care. Sometimes, the first challenge is understanding how much help someone needs. We talk with NYT and KFF Health News journalist Paula Span. "Parents will downright lie and tell you on the phone they're fine and they're handling everything, and ‘you can just butt out, thank you,’ and then you go home for Thanksgiving or Christmas and you see the reality and think, things are not fine,” Span tells Tonya Mosley.